Finding the Fourth Proportional to 16,555.05, 24,818.00 and 7,800.57

Step by Step Solution

1. Step 1: Write the proportion equation
   16,555.05 : 24,818.00 = 7,800.57 : x
2. Step 2: Convert to fraction form
   16,555.05/24,818.00 = 7,800.57/x
3. Step 3: Cross multiply
   16,555.05x = 24,818.00 × 7,800.57
4. Step 4: Simplify right side
   16,555.05x = 193,594,507.26
5. Step 5: Solve for x
   x = 193,594,507.26/16,555.05
6. Step 6: Final answer
   x = 11,693.99