Finding the Fourth Proportional to 752,530.74, 1,038,978.81 and 466,354.50

Step by Step Solution

1. Step 1: Write the proportion equation
   752,530.74 : 1,038,978.81 = 466,354.50 : x
2. Step 2: Convert to fraction form
   752,530.74/1,038,978.81 = 466,354.50/x
3. Step 3: Cross multiply
   752,530.74x = 1,038,978.81 × 466,354.50
4. Step 4: Simplify right side
   752,530.74x = 484,532,443,448.15
5. Step 5: Solve for x
   x = 484,532,443,448.15/752,530.74
6. Step 6: Final answer
   x = 643,870.63