Finding the Fourth Proportional to 10,432.36, 14,396.70 and 5,716.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,432.36 : 14,396.70 = 5,716.72 : x
2. Step 2: Convert to fraction form
   10,432.36/14,396.70 = 5,716.72/x
3. Step 3: Cross multiply
   10,432.36x = 14,396.70 × 5,716.72
4. Step 4: Simplify right side
   10,432.36x = 82,301,902.82
5. Step 5: Solve for x
   x = 82,301,902.82/10,432.36
6. Step 6: Final answer
   x = 7,889.10