Finding the Fourth Proportional to 2,131,942.91, 2,942,088.90 and 1,165,073.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,131,942.91 : 2,942,088.90 = 1,165,073.32 : x
2. Step 2: Convert to fraction form
   2,131,942.91/2,942,088.90 = 1,165,073.32/x
3. Step 3: Cross multiply
   2,131,942.91x = 2,942,088.90 × 1,165,073.32
4. Step 4: Simplify right side
   2,131,942.91x = 3,427,749,267,747.70
5. Step 5: Solve for x
   x = 3,427,749,267,747.70/2,131,942.91
6. Step 6: Final answer
   x = 1,607,805.37