Finding the Fourth Proportional to 127,200.99, 175,530.51 and 70,608.72

Step by Step Solution

1. Step 1: Write the proportion equation
   127,200.99 : 175,530.51 = 70,608.72 : x
2. Step 2: Convert to fraction form
   127,200.99/175,530.51 = 70,608.72/x
3. Step 3: Cross multiply
   127,200.99x = 175,530.51 × 70,608.72
4. Step 4: Simplify right side
   127,200.99x = 12,393,984,632.05
5. Step 5: Solve for x
   x = 12,393,984,632.05/127,200.99
6. Step 6: Final answer
   x = 97,436.23