Finding the Fourth Proportional to 42,112.42, 63,056.77 and 25,449.91

Step by Step Solution

1. Step 1: Write the proportion equation
   42,112.42 : 63,056.77 = 25,449.91 : x
2. Step 2: Convert to fraction form
   42,112.42/63,056.77 = 25,449.91/x
3. Step 3: Cross multiply
   42,112.42x = 63,056.77 × 25,449.91
4. Step 4: Simplify right side
   42,112.42x = 1,604,789,121.39
5. Step 5: Solve for x
   x = 1,604,789,121.39/42,112.42
6. Step 6: Final answer
   x = 38,107.26