Finding the Fourth Proportional to 20,566.52, 28,381.98 and 12,068.77

Step by Step Solution

1. Step 1: Write the proportion equation
   20,566.52 : 28,381.98 = 12,068.77 : x
2. Step 2: Convert to fraction form
   20,566.52/28,381.98 = 12,068.77/x
3. Step 3: Cross multiply
   20,566.52x = 28,381.98 × 12,068.77
4. Step 4: Simplify right side
   20,566.52x = 342,535,588.76
5. Step 5: Solve for x
   x = 342,535,588.76/20,566.52
6. Step 6: Final answer
   x = 16,655.01