Finding the Fourth Proportional to 86,049.54, 129,080.79 and 23,719.50

Step by Step Solution

1. Step 1: Write the proportion equation
   86,049.54 : 129,080.79 = 23,719.50 : x
2. Step 2: Convert to fraction form
   86,049.54/129,080.79 = 23,719.50/x
3. Step 3: Cross multiply
   86,049.54x = 129,080.79 × 23,719.50
4. Step 4: Simplify right side
   86,049.54x = 3,061,731,798.41
5. Step 5: Solve for x
   x = 3,061,731,798.41/86,049.54
6. Step 6: Final answer
   x = 35,581.04