Finding the Fourth Proportional to 109,725.89, 151,434.06 and 61,982.31

Step by Step Solution

1. Step 1: Write the proportion equation
   109,725.89 : 151,434.06 = 61,982.31 : x
2. Step 2: Convert to fraction form
   109,725.89/151,434.06 = 61,982.31/x
3. Step 3: Cross multiply
   109,725.89x = 151,434.06 × 61,982.31
4. Step 4: Simplify right side
   109,725.89x = 9,386,233,186.92
5. Step 5: Solve for x
   x = 9,386,233,186.92/109,725.89
6. Step 6: Final answer
   x = 85,542.56