Finding the Fourth Proportional to 1,318,335.72, 1,816,049.43 and 1,124,111.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,318,335.72 : 1,816,049.43 = 1,124,111.31 : x
2. Step 2: Convert to fraction form
   1,318,335.72/1,816,049.43 = 1,124,111.31/x
3. Step 3: Cross multiply
   1,318,335.72x = 1,816,049.43 × 1,124,111.31
4. Step 4: Simplify right side
   1,318,335.72x = 2,041,441,703,782.05
5. Step 5: Solve for x
   x = 2,041,441,703,782.05/1,318,335.72
6. Step 6: Final answer
   x = 1,548,499.12