Finding the Fourth Proportional to 837,057.92, 1,155,162.56 and 455,111.04

Step by Step Solution

1. Step 1: Write the proportion equation
   837,057.92 : 1,155,162.56 = 455,111.04 : x
2. Step 2: Convert to fraction form
   837,057.92/1,155,162.56 = 455,111.04/x
3. Step 3: Cross multiply
   837,057.92x = 1,155,162.56 × 455,111.04
4. Step 4: Simplify right side
   837,057.92x = 525,727,234,050.66
5. Step 5: Solve for x
   x = 525,727,234,050.66/837,057.92
6. Step 6: Final answer
   x = 628,065.54