Finding the Fourth Proportional to 911,662.76, 1,257,892.52 and 524,454.42

Step by Step Solution

1. Step 1: Write the proportion equation
   911,662.76 : 1,257,892.52 = 524,454.42 : x
2. Step 2: Convert to fraction form
   911,662.76/1,257,892.52 = 524,454.42/x
3. Step 3: Cross multiply
   911,662.76x = 1,257,892.52 × 524,454.42
4. Step 4: Simplify right side
   911,662.76x = 659,707,291,998.94
5. Step 5: Solve for x
   x = 659,707,291,998.94/911,662.76
6. Step 6: Final answer
   x = 723,630.84