Finding the Fourth Proportional to 127,345.32, 175,790.42 and 85,961.34

Step by Step Solution

1. Step 1: Write the proportion equation
   127,345.32 : 175,790.42 = 85,961.34 : x
2. Step 2: Convert to fraction form
   127,345.32/175,790.42 = 85,961.34/x
3. Step 3: Cross multiply
   127,345.32x = 175,790.42 × 85,961.34
4. Step 4: Simplify right side
   127,345.32x = 15,111,179,954.91
5. Step 5: Solve for x
   x = 15,111,179,954.91/127,345.32
6. Step 6: Final answer
   x = 118,663.02