Finding the Fourth Proportional to 42,380.88, 58,479.12 and 25,381.14

Step by Step Solution

1. Step 1: Write the proportion equation
   42,380.88 : 58,479.12 = 25,381.14 : x
2. Step 2: Convert to fraction form
   42,380.88/58,479.12 = 25,381.14/x
3. Step 3: Cross multiply
   42,380.88x = 58,479.12 × 25,381.14
4. Step 4: Simplify right side
   42,380.88x = 1,484,266,731.80
5. Step 5: Solve for x
   x = 1,484,266,731.80/42,380.88
6. Step 6: Final answer
   x = 35,022.08