Finding the Fourth Proportional to 215,322.88, 323,103.24 and 88,933.72

Step by Step Solution

1. Step 1: Write the proportion equation
   215,322.88 : 323,103.24 = 88,933.72 : x
2. Step 2: Convert to fraction form
   215,322.88/323,103.24 = 88,933.72/x
3. Step 3: Cross multiply
   215,322.88x = 323,103.24 × 88,933.72
4. Step 4: Simplify right side
   215,322.88x = 28,734,773,077.25
5. Step 5: Solve for x
   x = 28,734,773,077.25/215,322.88
6. Step 6: Final answer
   x = 133,449.70