Finding the Fourth Proportional to 9,062.64, 12,502.83 and 5,519.70

Step by Step Solution

1. Step 1: Write the proportion equation
   9,062.64 : 12,502.83 = 5,519.70 : x
2. Step 2: Convert to fraction form
   9,062.64/12,502.83 = 5,519.70/x
3. Step 3: Cross multiply
   9,062.64x = 12,502.83 × 5,519.70
4. Step 4: Simplify right side
   9,062.64x = 69,011,870.75
5. Step 5: Solve for x
   x = 69,011,870.75/9,062.64
6. Step 6: Final answer
   x = 7,614.99