Finding the Fourth Proportional to 109,546.02, 151,138.17 and 86,502.69

Step by Step Solution

1. Step 1: Write the proportion equation
   109,546.02 : 151,138.17 = 86,502.69 : x
2. Step 2: Convert to fraction form
   109,546.02/151,138.17 = 86,502.69/x
3. Step 3: Cross multiply
   109,546.02x = 151,138.17 × 86,502.69
4. Step 4: Simplify right side
   109,546.02x = 13,073,858,266.68
5. Step 5: Solve for x
   x = 13,073,858,266.68/109,546.02
6. Step 6: Final answer
   x = 119,345.81