Finding the Fourth Proportional to 10,474.28, 14,454.60 and 5,758.76

Step by Step Solution

1. Step 1: Write the proportion equation
   10,474.28 : 14,454.60 = 5,758.76 : x
2. Step 2: Convert to fraction form
   10,474.28/14,454.60 = 5,758.76/x
3. Step 3: Cross multiply
   10,474.28x = 14,454.60 × 5,758.76
4. Step 4: Simplify right side
   10,474.28x = 83,240,572.30
5. Step 5: Solve for x
   x = 83,240,572.30/10,474.28
6. Step 6: Final answer
   x = 7,947.14