Finding the Fourth Proportional to 9,139,691.49, 13,627,826.04 and 8,888,585.61

Step by Step Solution

1. Step 1: Write the proportion equation
   9,139,691.49 : 13,627,826.04 = 8,888,585.61 : x
2. Step 2: Convert to fraction form
   9,139,691.49/13,627,826.04 = 8,888,585.61/x
3. Step 3: Cross multiply
   9,139,691.49x = 13,627,826.04 × 8,888,585.61
4. Step 4: Simplify right side
   9,139,691.49x = 121,132,098,434,727.27
5. Step 5: Solve for x
   x = 121,132,098,434,727.27/9,139,691.49
6. Step 6: Final answer
   x = 13,253,412.17