Finding the Fourth Proportional to 898,934.56, 1,347,468.72 and 425,259.52

Step by Step Solution

1. Step 1: Write the proportion equation
   898,934.56 : 1,347,468.72 = 425,259.52 : x
2. Step 2: Convert to fraction form
   898,934.56/1,347,468.72 = 425,259.52/x
3. Step 3: Cross multiply
   898,934.56x = 1,347,468.72 × 425,259.52
4. Step 4: Simplify right side
   898,934.56x = 573,023,901,082.21
5. Step 5: Solve for x
   x = 573,023,901,082.21/898,934.56
6. Step 6: Final answer
   x = 637,447.85