Finding the Fourth Proportional to 42,111.72, 63,135.98 and 25,468.34

Step by Step Solution

1. Step 1: Write the proportion equation
   42,111.72 : 63,135.98 = 25,468.34 : x
2. Step 2: Convert to fraction form
   42,111.72/63,135.98 = 25,468.34/x
3. Step 3: Cross multiply
   42,111.72x = 63,135.98 × 25,468.34
4. Step 4: Simplify right side
   42,111.72x = 1,607,968,161.85
5. Step 5: Solve for x
   x = 1,607,968,161.85/42,111.72
6. Step 6: Final answer
   x = 38,183.39