Finding the Fourth Proportional to 42,132.24, 63,198.16 and 17,166.72

Step by Step Solution

1. Step 1: Write the proportion equation
   42,132.24 : 63,198.16 = 17,166.72 : x
2. Step 2: Convert to fraction form
   42,132.24/63,198.16 = 17,166.72/x
3. Step 3: Cross multiply
   42,132.24x = 63,198.16 × 17,166.72
4. Step 4: Simplify right side
   42,132.24x = 1,084,905,117.24
5. Step 5: Solve for x
   x = 1,084,905,117.24/42,132.24
6. Step 6: Final answer
   x = 25,750.00