Finding the Fourth Proportional to 67,519.98, 93,113.55 and 63,781.02

Step by Step Solution

1. Step 1: Write the proportion equation
   67,519.98 : 93,113.55 = 63,781.02 : x
2. Step 2: Convert to fraction form
   67,519.98/93,113.55 = 63,781.02/x
3. Step 3: Cross multiply
   67,519.98x = 93,113.55 × 63,781.02
4. Step 4: Simplify right side
   67,519.98x = 5,938,877,194.82
5. Step 5: Solve for x
   x = 5,938,877,194.82/67,519.98
6. Step 6: Final answer
   x = 87,957.33