Finding the Fourth Proportional to 127,519.50, 191,302.60 and 52,598.78

Step by Step Solution

1. Step 1: Write the proportion equation
   127,519.50 : 191,302.60 = 52,598.78 : x
2. Step 2: Convert to fraction form
   127,519.50/191,302.60 = 52,598.78/x
3. Step 3: Cross multiply
   127,519.50x = 191,302.60 × 52,598.78
4. Step 4: Simplify right side
   127,519.50x = 10,062,282,648.18
5. Step 5: Solve for x
   x = 10,062,282,648.18/127,519.50
6. Step 6: Final answer
   x = 78,907.80