Finding the Fourth Proportional to 42,661.27, 63,964.50 and 17,718.52

Step by Step Solution

1. Step 1: Write the proportion equation
   42,661.27 : 63,964.50 = 17,718.52 : x
2. Step 2: Convert to fraction form
   42,661.27/63,964.50 = 17,718.52/x
3. Step 3: Cross multiply
   42,661.27x = 63,964.50 × 17,718.52
4. Step 4: Simplify right side
   42,661.27x = 1,133,356,272.54
5. Step 5: Solve for x
   x = 1,133,356,272.54/42,661.27
6. Step 6: Final answer
   x = 26,566.40