Finding the Fourth Proportional to 86,196.50, 118,950 and 48,470.84

Step by Step Solution

1. Step 1: Write the proportion equation
   86,196.50 : 118,950 = 48,470.84 : x
2. Step 2: Convert to fraction form
   86,196.50/118,950 = 48,470.84/x
3. Step 3: Cross multiply
   86,196.50x = 118,950 × 48,470.84
4. Step 4: Simplify right side
   86,196.50x = 5,765,606,418
5. Step 5: Solve for x
   x = 5,765,606,418/86,196.50
6. Step 6: Final answer
   x = 66,889.10