Finding the Fourth Proportional to 3,686,150.72, 5,086,801.29 and 2,137,689.11

Step by Step Solution

1. Step 1: Write the proportion equation
   3,686,150.72 : 5,086,801.29 = 2,137,689.11 : x
2. Step 2: Convert to fraction form
   3,686,150.72/5,086,801.29 = 2,137,689.11/x
3. Step 3: Cross multiply
   3,686,150.72x = 5,086,801.29 × 2,137,689.11
4. Step 4: Simplify right side
   3,686,150.72x = 10,873,999,696,932.95
5. Step 5: Solve for x
   x = 10,873,999,696,932.95/3,686,150.72
6. Step 6: Final answer
   x = 2,949,960.69