Finding the Fourth Proportional to 42,111.42, 63,055.27 and 25,448.91

Step by Step Solution

1. Step 1: Write the proportion equation
   42,111.42 : 63,055.27 = 25,448.91 : x
2. Step 2: Convert to fraction form
   42,111.42/63,055.27 = 25,448.91/x
3. Step 3: Cross multiply
   42,111.42x = 63,055.27 × 25,448.91
4. Step 4: Simplify right side
   42,111.42x = 1,604,687,891.26
5. Step 5: Solve for x
   x = 1,604,687,891.26/42,111.42
6. Step 6: Final answer
   x = 38,105.77