Finding the Fourth Proportional to 127,200.04, 190,861.50 and 52,375.72

Step by Step Solution

1. Step 1: Write the proportion equation
   127,200.04 : 190,861.50 = 52,375.72 : x
2. Step 2: Convert to fraction form
   127,200.04/190,861.50 = 52,375.72/x
3. Step 3: Cross multiply
   127,200.04x = 190,861.50 × 52,375.72
4. Step 4: Simplify right side
   127,200.04x = 9,996,508,482.78
5. Step 5: Solve for x
   x = 9,996,508,482.78/127,200.04
6. Step 6: Final answer
   x = 78,588.88