Finding the Fourth Proportional to 1,059,117.10, 1,462,285.42 and 813,664.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,059,117.10 : 1,462,285.42 = 813,664.72 : x
2. Step 2: Convert to fraction form
   1,059,117.10/1,462,285.42 = 813,664.72/x
3. Step 3: Cross multiply
   1,059,117.10x = 1,462,285.42 × 813,664.72
4. Step 4: Simplify right side
   1,059,117.10x = 1,189,810,056,824.38
5. Step 5: Solve for x
   x = 1,189,810,056,824.38/1,059,117.10
6. Step 6: Final answer
   x = 1,123,398.02