Finding the Fourth Proportional to 10,434.56, 14,399.60 and 5,718.84

Step by Step Solution

1. Step 1: Write the proportion equation
   10,434.56 : 14,399.60 = 5,718.84 : x
2. Step 2: Convert to fraction form
   10,434.56/14,399.60 = 5,718.84/x
3. Step 3: Cross multiply
   10,434.56x = 14,399.60 × 5,718.84
4. Step 4: Simplify right side
   10,434.56x = 82,349,008.46
5. Step 5: Solve for x
   x = 82,349,008.46/10,434.56
6. Step 6: Final answer
   x = 7,891.95