Finding the Fourth Proportional to 42,108.75, 63,131.53 and 25,465.37

Step by Step Solution

1. Step 1: Write the proportion equation
   42,108.75 : 63,131.53 = 25,465.37 : x
2. Step 2: Convert to fraction form
   42,108.75/63,131.53 = 25,465.37/x
3. Step 3: Cross multiply
   42,108.75x = 63,131.53 × 25,465.37
4. Step 4: Simplify right side
   42,108.75x = 1,607,667,770.12
5. Step 5: Solve for x
   x = 1,607,667,770.12/42,108.75
6. Step 6: Final answer
   x = 38,178.95