Finding the Fourth Proportional to 127,111.56, 175,411.62 and 70,521.72

Step by Step Solution

1. Step 1: Write the proportion equation
   127,111.56 : 175,411.62 = 70,521.72 : x
2. Step 2: Convert to fraction form
   127,111.56/175,411.62 = 70,521.72/x
3. Step 3: Cross multiply
   127,111.56x = 175,411.62 × 70,521.72
4. Step 4: Simplify right side
   127,111.56x = 12,370,329,150.39
5. Step 5: Solve for x
   x = 12,370,329,150.39/127,111.56
6. Step 6: Final answer
   x = 97,318.68