Finding the Fourth Proportional to 12,535.00, 18,799.43 and 5,516.78

Step by Step Solution

1. Step 1: Write the proportion equation
   12,535.00 : 18,799.43 = 5,516.78 : x
2. Step 2: Convert to fraction form
   12,535.00/18,799.43 = 5,516.78/x
3. Step 3: Cross multiply
   12,535.00x = 18,799.43 × 5,516.78
4. Step 4: Simplify right side
   12,535.00x = 103,712,291.85
5. Step 5: Solve for x
   x = 103,712,291.85/12,535.00
6. Step 6: Final answer
   x = 8,273.82