Finding the Fourth Proportional to 182,990, 274,294.69 and 70,747.31

Step by Step Solution

1. Step 1: Write the proportion equation
   182,990 : 274,294.69 = 70,747.31 : x
2. Step 2: Convert to fraction form
   182,990/274,294.69 = 70,747.31/x
3. Step 3: Cross multiply
   182,990x = 274,294.69 × 70,747.31
4. Step 4: Simplify right side
   182,990x = 19,405,611,464.78
5. Step 5: Solve for x
   x = 19,405,611,464.78/182,990
6. Step 6: Final answer
   x = 106,047.39