Finding the Fourth Proportional to 10,251.17, 14,147.28 and 5,774.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,251.17 : 14,147.28 = 5,774.50 : x
2. Step 2: Convert to fraction form
   10,251.17/14,147.28 = 5,774.50/x
3. Step 3: Cross multiply
   10,251.17x = 14,147.28 × 5,774.50
4. Step 4: Simplify right side
   10,251.17x = 81,693,468.36
5. Step 5: Solve for x
   x = 81,693,468.36/10,251.17
6. Step 6: Final answer
   x = 7,969.18