Finding the Fourth Proportional to 10,499.49, 14,489.25 and 5,719.71

Step by Step Solution

1. Step 1: Write the proportion equation
   10,499.49 : 14,489.25 = 5,719.71 : x
2. Step 2: Convert to fraction form
   10,499.49/14,489.25 = 5,719.71/x
3. Step 3: Cross multiply
   10,499.49x = 14,489.25 × 5,719.71
4. Step 4: Simplify right side
   10,499.49x = 82,874,341.00
5. Step 5: Solve for x
   x = 82,874,341.00/10,499.49
6. Step 6: Final answer
   x = 7,893.18