Finding the Fourth Proportional to 16,657,150.38, 22,986,435.86 and 9,215,087.21

Step by Step Solution

1. Step 1: Write the proportion equation
   16,657,150.38 : 22,986,435.86 = 9,215,087.21 : x
2. Step 2: Convert to fraction form
   16,657,150.38/22,986,435.86 = 9,215,087.21/x
3. Step 3: Cross multiply
   16,657,150.38x = 22,986,435.86 × 9,215,087.21
4. Step 4: Simplify right side
   16,657,150.38x = 211,822,011,056,719.47
5. Step 5: Solve for x
   x = 211,822,011,056,719.47/16,657,150.38
6. Step 6: Final answer
   x = 12,716,581.54