Finding the Fourth Proportional to 915,452.76, 1,372,949.37 and 435,384.30

Step by Step Solution

1. Step 1: Write the proportion equation
   915,452.76 : 1,372,949.37 = 435,384.30 : x
2. Step 2: Convert to fraction form
   915,452.76/1,372,949.37 = 435,384.30/x
3. Step 3: Cross multiply
   915,452.76x = 1,372,949.37 × 435,384.30
4. Step 4: Simplify right side
   915,452.76x = 597,760,600,392.89
5. Step 5: Solve for x
   x = 597,760,600,392.89/915,452.76
6. Step 6: Final answer
   x = 652,967.17