Finding the Fourth Proportional to 63,781.95, 88,031.28 and 42,233.71

Step by Step Solution

1. Step 1: Write the proportion equation
   63,781.95 : 88,031.28 = 42,233.71 : x
2. Step 2: Convert to fraction form
   63,781.95/88,031.28 = 42,233.71/x
3. Step 3: Cross multiply
   63,781.95x = 88,031.28 × 42,233.71
4. Step 4: Simplify right side
   63,781.95x = 3,717,887,339.28
5. Step 5: Solve for x
   x = 3,717,887,339.28/63,781.95
6. Step 6: Final answer
   x = 58,290.59