Finding the Fourth Proportional to 963,005.98, 1,443,650 and 457,254.94

Step by Step Solution

1. Step 1: Write the proportion equation
   963,005.98 : 1,443,650 = 457,254.94 : x
2. Step 2: Convert to fraction form
   963,005.98/1,443,650 = 457,254.94/x
3. Step 3: Cross multiply
   963,005.98x = 1,443,650 × 457,254.94
4. Step 4: Simplify right side
   963,005.98x = 660,116,094,131
5. Step 5: Solve for x
   x = 660,116,094,131/963,005.98
6. Step 6: Final answer
   x = 685,474.55