Finding the Fourth Proportional to 11,558,326.52, 15,944,443.31 and 7,146,641.91

Step by Step Solution

1. Step 1: Write the proportion equation
   11,558,326.52 : 15,944,443.31 = 7,146,641.91 : x
2. Step 2: Convert to fraction form
   11,558,326.52/15,944,443.31 = 7,146,641.91/x
3. Step 3: Cross multiply
   11,558,326.52x = 15,944,443.31 × 7,146,641.91
4. Step 4: Simplify right side
   11,558,326.52x = 113,949,226,790,865.12
5. Step 5: Solve for x
   x = 113,949,226,790,865.12/11,558,326.52
6. Step 6: Final answer
   x = 9,858,626.73