Finding the Fourth Proportional to 738,078.24, 1,018,543.27 and 415,892.10

Step by Step Solution

1. Step 1: Write the proportion equation
   738,078.24 : 1,018,543.27 = 415,892.10 : x
2. Step 2: Convert to fraction form
   738,078.24/1,018,543.27 = 415,892.10/x
3. Step 3: Cross multiply
   738,078.24x = 1,018,543.27 × 415,892.10
4. Step 4: Simplify right side
   738,078.24x = 423,604,099,501.17
5. Step 5: Solve for x
   x = 423,604,099,501.17/738,078.24
6. Step 6: Final answer
   x = 573,928.45