Finding the Fourth Proportional to 898,930.56, 1,347,462.72 and 425,255.52

Step by Step Solution

1. Step 1: Write the proportion equation
   898,930.56 : 1,347,462.72 = 425,255.52 : x
2. Step 2: Convert to fraction form
   898,930.56/1,347,462.72 = 425,255.52/x
3. Step 3: Cross multiply
   898,930.56x = 1,347,462.72 × 425,255.52
4. Step 4: Simplify right side
   898,930.56x = 573,015,959,674.21
5. Step 5: Solve for x
   x = 573,015,959,674.21/898,930.56
6. Step 6: Final answer
   x = 637,441.85