Finding the Fourth Proportional to 127,060.54, 175,352.43 and 72,620.72

Step by Step Solution

1. Step 1: Write the proportion equation
   127,060.54 : 175,352.43 = 72,620.72 : x
2. Step 2: Convert to fraction form
   127,060.54/175,352.43 = 72,620.72/x
3. Step 3: Cross multiply
   127,060.54x = 175,352.43 × 72,620.72
4. Step 4: Simplify right side
   127,060.54x = 12,734,219,720.35
5. Step 5: Solve for x
   x = 12,734,219,720.35/127,060.54
6. Step 6: Final answer
   x = 100,221.67