Finding the Fourth Proportional to 443,699,522,294.84, 612,253,684,594.56 and 248,393,498,847.40

Step by Step Solution

1. Step 1: Write the proportion equation
   443,699,522,294.84 : 612,253,684,594.56 = 248,393,498,847.40 : x
2. Step 2: Convert to fraction form
   443,699,522,294.84/612,253,684,594.56 = 248,393,498,847.40/x
3. Step 3: Cross multiply
   443,699,522,294.84x = 612,253,684,594.56 × 248,393,498,847.40
4. Step 4: Simplify right side
   443,699,522,294.84x = 152,079,834,898,655,241,830,400
5. Step 5: Solve for x
   x = 152,079,834,898,655,241,830,400/443,699,522,294.84
6. Step 6: Final answer
   x = 342,754,110,060.99