Finding the Fourth Proportional to 109,590.72, 151,234.56 and 59,288.64

Step by Step Solution

1. Step 1: Write the proportion equation
   109,590.72 : 151,234.56 = 59,288.64 : x
2. Step 2: Convert to fraction form
   109,590.72/151,234.56 = 59,288.64/x
3. Step 3: Cross multiply
   109,590.72x = 151,234.56 × 59,288.64
4. Step 4: Simplify right side
   109,590.72x = 8,966,491,383.40
5. Step 5: Solve for x
   x = 8,966,491,383.40/109,590.72
6. Step 6: Final answer
   x = 81,817.98