Finding the Fourth Proportional to 10,307.45, 14,224.31 and 5,591.73

Step by Step Solution

1. Step 1: Write the proportion equation
   10,307.45 : 14,224.31 = 5,591.73 : x
2. Step 2: Convert to fraction form
   10,307.45/14,224.31 = 5,591.73/x
3. Step 3: Cross multiply
   10,307.45x = 14,224.31 × 5,591.73
4. Step 4: Simplify right side
   10,307.45x = 79,538,508.25
5. Step 5: Solve for x
   x = 79,538,508.25/10,307.45
6. Step 6: Final answer
   x = 7,716.60