Finding the Fourth Proportional to 63,781.45, 88,030.59 and 42,233.21

Step by Step Solution

1. Step 1: Write the proportion equation
   63,781.45 : 88,030.59 = 42,233.21 : x
2. Step 2: Convert to fraction form
   63,781.45/88,030.59 = 42,233.21/x
3. Step 3: Cross multiply
   63,781.45x = 88,030.59 × 42,233.21
4. Step 4: Simplify right side
   63,781.45x = 3,717,814,182.73
5. Step 5: Solve for x
   x = 3,717,814,182.73/63,781.45
6. Step 6: Final answer
   x = 58,289.90