Finding the Fourth Proportional to 42,643.43, 63,882.02 and 25,962.09

Step by Step Solution

1. Step 1: Write the proportion equation
   42,643.43 : 63,882.02 = 25,962.09 : x
2. Step 2: Convert to fraction form
   42,643.43/63,882.02 = 25,962.09/x
3. Step 3: Cross multiply
   42,643.43x = 63,882.02 × 25,962.09
4. Step 4: Simplify right side
   42,643.43x = 1,658,510,622.81
5. Step 5: Solve for x
   x = 1,658,510,622.81/42,643.43
6. Step 6: Final answer
   x = 38,892.53