Finding the Fourth Proportional to 87,185.58, 119,529.98 and 85,610.94

Step by Step Solution

1. Step 1: Write the proportion equation
   87,185.58 : 119,529.98 = 85,610.94 : x
2. Step 2: Convert to fraction form
   87,185.58/119,529.98 = 85,610.94/x
3. Step 3: Cross multiply
   87,185.58x = 119,529.98 × 85,610.94
4. Step 4: Simplify right side
   87,185.58x = 10,233,073,517.93
5. Step 5: Solve for x
   x = 10,233,073,517.93/87,185.58
6. Step 6: Final answer
   x = 117,371.17