Finding the Fourth Proportional to 215,393.34, 323,133.76 and 89,044.88

Step by Step Solution

1. Step 1: Write the proportion equation
   215,393.34 : 323,133.76 = 89,044.88 : x
2. Step 2: Convert to fraction form
   215,393.34/323,133.76 = 89,044.88/x
3. Step 3: Cross multiply
   215,393.34x = 323,133.76 × 89,044.88
4. Step 4: Simplify right side
   215,393.34x = 28,773,406,883.15
5. Step 5: Solve for x
   x = 28,773,406,883.15/215,393.34
6. Step 6: Final answer
   x = 133,585.41