Finding the Fourth Proportional to 237,402.78, 356,157.50 and 79,627.20

Step by Step Solution

1. Step 1: Write the proportion equation
   237,402.78 : 356,157.50 = 79,627.20 : x
2. Step 2: Convert to fraction form
   237,402.78/356,157.50 = 79,627.20/x
3. Step 3: Cross multiply
   237,402.78x = 356,157.50 × 79,627.20
4. Step 4: Simplify right side
   237,402.78x = 28,359,824,085.86
5. Step 5: Solve for x
   x = 28,359,824,085.86/237,402.78
6. Step 6: Final answer
   x = 119,458.69