Finding the Fourth Proportional to 86,003.97, 118,688.46 and 47,764.15

Step by Step Solution

1. Step 1: Write the proportion equation
   86,003.97 : 118,688.46 = 47,764.15 : x
2. Step 2: Convert to fraction form
   86,003.97/118,688.46 = 47,764.15/x
3. Step 3: Cross multiply
   86,003.97x = 118,688.46 × 47,764.15
4. Step 4: Simplify right side
   86,003.97x = 5,669,053,406.71
5. Step 5: Solve for x
   x = 5,669,053,406.71/86,003.97
6. Step 6: Final answer
   x = 65,916.18