Finding the Fourth Proportional to 86,333.48, 119,131.62 and 63,684.72

Step by Step Solution

1. Step 1: Write the proportion equation
   86,333.48 : 119,131.62 = 63,684.72 : x
2. Step 2: Convert to fraction form
   86,333.48/119,131.62 = 63,684.72/x
3. Step 3: Cross multiply
   86,333.48x = 119,131.62 × 63,684.72
4. Step 4: Simplify right side
   86,333.48x = 7,586,863,862.85
5. Step 5: Solve for x
   x = 7,586,863,862.85/86,333.48
6. Step 6: Final answer
   x = 87,878.58