Finding the Fourth Proportional to 127,091.72, 175,407.58 and 70,521.32

Step by Step Solution

1. Step 1: Write the proportion equation
   127,091.72 : 175,407.58 = 70,521.32 : x
2. Step 2: Convert to fraction form
   127,091.72/175,407.58 = 70,521.32/x
3. Step 3: Cross multiply
   127,091.72x = 175,407.58 × 70,521.32
4. Step 4: Simplify right side
   127,091.72x = 12,369,974,079.61
5. Step 5: Solve for x
   x = 12,369,974,079.61/127,091.72
6. Step 6: Final answer
   x = 97,331.08