Finding the Fourth Proportional to 747,693.42, 1,031,834.61 and 408,164.10

Step by Step Solution

1. Step 1: Write the proportion equation
   747,693.42 : 1,031,834.61 = 408,164.10 : x
2. Step 2: Convert to fraction form
   747,693.42/1,031,834.61 = 408,164.10/x
3. Step 3: Cross multiply
   747,693.42x = 1,031,834.61 × 408,164.10
4. Step 4: Simplify right side
   747,693.42x = 421,157,844,939.50
5. Step 5: Solve for x
   x = 421,157,844,939.50/747,693.42
6. Step 6: Final answer
   x = 563,276.12