Finding the Fourth Proportional to 42,118.48, 63,140.72 and 17,179.53

Step by Step Solution

1. Step 1: Write the proportion equation
   42,118.48 : 63,140.72 = 17,179.53 : x
2. Step 2: Convert to fraction form
   42,118.48/63,140.72 = 17,179.53/x
3. Step 3: Cross multiply
   42,118.48x = 63,140.72 × 17,179.53
4. Step 4: Simplify right side
   42,118.48x = 1,084,727,570.79
5. Step 5: Solve for x
   x = 1,084,727,570.79/42,118.48
6. Step 6: Final answer
   x = 25,754.19