Finding the Fourth Proportional to 42,443.84, 63,665.22 and 25,808.42

Step by Step Solution

1. Step 1: Write the proportion equation
   42,443.84 : 63,665.22 = 25,808.42 : x
2. Step 2: Convert to fraction form
   42,443.84/63,665.22 = 25,808.42/x
3. Step 3: Cross multiply
   42,443.84x = 63,665.22 × 25,808.42
4. Step 4: Simplify right side
   42,443.84x = 1,643,098,737.15
5. Step 5: Solve for x
   x = 1,643,098,737.15/42,443.84
6. Step 6: Final answer
   x = 38,712.30