Finding the Fourth Proportional to 67,799.32, 93,543.72 and 39,116.71

Step by Step Solution

1. Step 1: Write the proportion equation
   67,799.32 : 93,543.72 = 39,116.71 : x
2. Step 2: Convert to fraction form
   67,799.32/93,543.72 = 39,116.71/x
3. Step 3: Cross multiply
   67,799.32x = 93,543.72 × 39,116.71
4. Step 4: Simplify right side
   67,799.32x = 3,659,122,567.56
5. Step 5: Solve for x
   x = 3,659,122,567.56/67,799.32
6. Step 6: Final answer
   x = 53,969.90