Finding the Fourth Proportional to 10,499.17, 14,489.02 and 5,719.34

Step by Step Solution

1. Step 1: Write the proportion equation
   10,499.17 : 14,489.02 = 5,719.34 : x
2. Step 2: Convert to fraction form
   10,499.17/14,489.02 = 5,719.34/x
3. Step 3: Cross multiply
   10,499.17x = 14,489.02 × 5,719.34
4. Step 4: Simplify right side
   10,499.17x = 82,867,631.65
5. Step 5: Solve for x
   x = 82,867,631.65/10,499.17
6. Step 6: Final answer
   x = 7,892.78