Finding the Fourth Proportional to 10,195.40, 14,070.69 and 5,719.14

Step by Step Solution

1. Step 1: Write the proportion equation
   10,195.40 : 14,070.69 = 5,719.14 : x
2. Step 2: Convert to fraction form
   10,195.40/14,070.69 = 5,719.14/x
3. Step 3: Cross multiply
   10,195.40x = 14,070.69 × 5,719.14
4. Step 4: Simplify right side
   10,195.40x = 80,472,246.01
5. Step 5: Solve for x
   x = 80,472,246.01/10,195.40
6. Step 6: Final answer
   x = 7,892.99