Finding the Fourth Proportional to 42,157.58, 63,236.34 and 13,700.24

Step by Step Solution

1. Step 1: Write the proportion equation
   42,157.58 : 63,236.34 = 13,700.24 : x
2. Step 2: Convert to fraction form
   42,157.58/63,236.34 = 13,700.24/x
3. Step 3: Cross multiply
   42,157.58x = 63,236.34 × 13,700.24
4. Step 4: Simplify right side
   42,157.58x = 866,353,034.72
5. Step 5: Solve for x
   x = 866,353,034.72/42,157.58
6. Step 6: Final answer
   x = 20,550.35