Finding the Fourth Proportional to 42,658.01, 63,959.63 and 17,715.27

Step by Step Solution

1. Step 1: Write the proportion equation
   42,658.01 : 63,959.63 = 17,715.27 : x
2. Step 2: Convert to fraction form
   42,658.01/63,959.63 = 17,715.27/x
3. Step 3: Cross multiply
   42,658.01x = 63,959.63 × 17,715.27
4. Step 4: Simplify right side
   42,658.01x = 1,133,062,025.97
5. Step 5: Solve for x
   x = 1,133,062,025.97/42,658.01
6. Step 6: Final answer
   x = 26,561.53