Finding the Fourth Proportional to 2,116,843.74, 2,921,269.32 and 1,149,989.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,116,843.74 : 2,921,269.32 = 1,149,989.31 : x
2. Step 2: Convert to fraction form
   2,116,843.74/2,921,269.32 = 1,149,989.31/x
3. Step 3: Cross multiply
   2,116,843.74x = 2,921,269.32 × 1,149,989.31
4. Step 4: Simplify right side
   2,116,843.74x = 3,359,428,489,630.97
5. Step 5: Solve for x
   x = 3,359,428,489,630.97/2,116,843.74
6. Step 6: Final answer
   x = 1,586,998.81