Finding the Fourth Proportional to 42,087.22, 63,132.98 and 39,959

Step by Step Solution

1. Step 1: Write the proportion equation
   42,087.22 : 63,132.98 = 39,959 : x
2. Step 2: Convert to fraction form
   42,087.22/63,132.98 = 39,959/x
3. Step 3: Cross multiply
   42,087.22x = 63,132.98 × 39,959
4. Step 4: Simplify right side
   42,087.22x = 2,522,730,747.82
5. Step 5: Solve for x
   x = 2,522,730,747.82/42,087.22
6. Step 6: Final answer
   x = 59,940.54