Finding the Fourth Proportional to 63,781.99, 88,031.33 and 42,233.73

Step by Step Solution

1. Step 1: Write the proportion equation
   63,781.99 : 88,031.33 = 42,233.73 : x
2. Step 2: Convert to fraction form
   63,781.99/88,031.33 = 42,233.73/x
3. Step 3: Cross multiply
   63,781.99x = 88,031.33 × 42,233.73
4. Step 4: Simplify right side
   63,781.99x = 3,717,891,039.85
5. Step 5: Solve for x
   x = 3,717,891,039.85/63,781.99
6. Step 6: Final answer
   x = 58,290.61