Finding the Fourth Proportional to 8,719.68, 12,034.72 and 5,575.76

Step by Step Solution

1. Step 1: Write the proportion equation
   8,719.68 : 12,034.72 = 5,575.76 : x
2. Step 2: Convert to fraction form
   8,719.68/12,034.72 = 5,575.76/x
3. Step 3: Cross multiply
   8,719.68x = 12,034.72 × 5,575.76
4. Step 4: Simplify right side
   8,719.68x = 67,102,710.39
5. Step 5: Solve for x
   x = 67,102,710.39/8,719.68
6. Step 6: Final answer
   x = 7,695.55