Finding the Fourth Proportional to 109,845.10, 151,490.82 and 71,589.88

Step by Step Solution

1. Step 1: Write the proportion equation
   109,845.10 : 151,490.82 = 71,589.88 : x
2. Step 2: Convert to fraction form
   109,845.10/151,490.82 = 71,589.88/x
3. Step 3: Cross multiply
   109,845.10x = 151,490.82 × 71,589.88
4. Step 4: Simplify right side
   109,845.10x = 10,845,209,624.90
5. Step 5: Solve for x
   x = 10,845,209,624.90/109,845.10
6. Step 6: Final answer
   x = 98,731.85