Finding the Fourth Proportional to 15,449.68, 23,178.84 and 5,068.72

Step by Step Solution

1. Step 1: Write the proportion equation
   15,449.68 : 23,178.84 = 5,068.72 : x
2. Step 2: Convert to fraction form
   15,449.68/23,178.84 = 5,068.72/x
3. Step 3: Cross multiply
   15,449.68x = 23,178.84 × 5,068.72
4. Step 4: Simplify right side
   15,449.68x = 117,487,049.88
5. Step 5: Solve for x
   x = 117,487,049.88/15,449.68
6. Step 6: Final answer
   x = 7,604.50