Finding the Fourth Proportional to 215,006.72, 322,549 and 88,576.71

Step by Step Solution

1. Step 1: Write the proportion equation
   215,006.72 : 322,549 = 88,576.71 : x
2. Step 2: Convert to fraction form
   215,006.72/322,549 = 88,576.71/x
3. Step 3: Cross multiply
   215,006.72x = 322,549 × 88,576.71
4. Step 4: Simplify right side
   215,006.72x = 28,570,329,233.79
5. Step 5: Solve for x
   x = 28,570,329,233.79/215,006.72
6. Step 6: Final answer
   x = 132,881.10