Finding the Fourth Proportional to 63,002.80, 86,946.78 and 42,882.40

Step by Step Solution

1. Step 1: Write the proportion equation
   63,002.80 : 86,946.78 = 42,882.40 : x
2. Step 2: Convert to fraction form
   63,002.80/86,946.78 = 42,882.40/x
3. Step 3: Cross multiply
   63,002.80x = 86,946.78 × 42,882.40
4. Step 4: Simplify right side
   63,002.80x = 3,728,486,598.67
5. Step 5: Solve for x
   x = 3,728,486,598.67/63,002.80
6. Step 6: Final answer
   x = 59,179.70