Finding the Fourth Proportional to 63,981, 88,293.88 and 35,688.48

Step by Step Solution

1. Step 1: Write the proportion equation
   63,981 : 88,293.88 = 35,688.48 : x
2. Step 2: Convert to fraction form
   63,981/88,293.88 = 35,688.48/x
3. Step 3: Cross multiply
   63,981x = 88,293.88 × 35,688.48
4. Step 4: Simplify right side
   63,981x = 3,151,074,370.50
5. Step 5: Solve for x
   x = 3,151,074,370.50/63,981
6. Step 6: Final answer
   x = 49,250.16