Finding the Fourth Proportional to 42,109.80, 63,161.04 and 17,152.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,109.80 : 63,161.04 = 17,152.50 : x
2. Step 2: Convert to fraction form
   42,109.80/63,161.04 = 17,152.50/x
3. Step 3: Cross multiply
   42,109.80x = 63,161.04 × 17,152.50
4. Step 4: Simplify right side
   42,109.80x = 1,083,369,738.60
5. Step 5: Solve for x
   x = 1,083,369,738.60/42,109.80
6. Step 6: Final answer
   x = 25,727.26