Finding the Fourth Proportional to 42,123.24, 63,184.68 and 17,157.72

Step by Step Solution

1. Step 1: Write the proportion equation
   42,123.24 : 63,184.68 = 17,157.72 : x
2. Step 2: Convert to fraction form
   42,123.24/63,184.68 = 17,157.72/x
3. Step 3: Cross multiply
   42,123.24x = 63,184.68 × 17,157.72
4. Step 4: Simplify right side
   42,123.24x = 1,084,105,047.73
5. Step 5: Solve for x
   x = 1,084,105,047.73/42,123.24
6. Step 6: Final answer
   x = 25,736.51