Finding the Fourth Proportional to 2,656,726.62, 3,985,087.50 and 1,139,429.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,656,726.62 : 3,985,087.50 = 1,139,429.76 : x
2. Step 2: Convert to fraction form
   2,656,726.62/3,985,087.50 = 1,139,429.76/x
3. Step 3: Cross multiply
   2,656,726.62x = 3,985,087.50 × 1,139,429.76
4. Step 4: Simplify right side
   2,656,726.62x = 4,540,727,293,704
5. Step 5: Solve for x
   x = 4,540,727,293,704/2,656,726.62
6. Step 6: Final answer
   x = 1,709,143.60