Finding the Fourth Proportional to 647,492.10, 971,468.55 and 624,452.10

Step by Step Solution

1. Step 1: Write the proportion equation
   647,492.10 : 971,468.55 = 624,452.10 : x
2. Step 2: Convert to fraction form
   647,492.10/971,468.55 = 624,452.10/x
3. Step 3: Cross multiply
   647,492.10x = 971,468.55 × 624,452.10
4. Step 4: Simplify right side
   647,492.10x = 606,635,576,131.46
5. Step 5: Solve for x
   x = 606,635,576,131.46/647,492.10
6. Step 6: Final answer
   x = 936,900.35