Finding the Fourth Proportional to 1,150,056.96, 1,722,874.47 and 643,080.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,150,056.96 : 1,722,874.47 = 643,080.29 : x
2. Step 2: Convert to fraction form
   1,150,056.96/1,722,874.47 = 643,080.29/x
3. Step 3: Cross multiply
   1,150,056.96x = 1,722,874.47 × 643,080.29
4. Step 4: Simplify right side
   1,150,056.96x = 1,107,946,605,186.82
5. Step 5: Solve for x
   x = 1,107,946,605,186.82/1,150,056.96
6. Step 6: Final answer
   x = 963,384.11