Finding the Fourth Proportional to 1,150,057.59, 1,722,875.41 and 643,080.93

Step by Step Solution

1. Step 1: Write the proportion equation
   1,150,057.59 : 1,722,875.41 = 643,080.93 : x
2. Step 2: Convert to fraction form
   1,150,057.59/1,722,875.41 = 643,080.93/x
3. Step 3: Cross multiply
   1,150,057.59x = 1,722,875.41 × 643,080.93
4. Step 4: Simplify right side
   1,150,057.59x = 1,107,948,320,936.93
5. Step 5: Solve for x
   x = 1,107,948,320,936.93/1,150,057.59
6. Step 6: Final answer
   x = 963,385.08