Finding the Fourth Proportional to 42,105.57, 63,103.51 and 17,116.43

Step by Step Solution

1. Step 1: Write the proportion equation
   42,105.57 : 63,103.51 = 17,116.43 : x
2. Step 2: Convert to fraction form
   42,105.57/63,103.51 = 17,116.43/x
3. Step 3: Cross multiply
   42,105.57x = 63,103.51 × 17,116.43
4. Step 4: Simplify right side
   42,105.57x = 1,080,106,611.12
5. Step 5: Solve for x
   x = 1,080,106,611.12/42,105.57
6. Step 6: Final answer
   x = 25,652.35