Finding the Fourth Proportional to 16,538.73, 22,807.89 and 12,755.90

Step by Step Solution

1. Step 1: Write the proportion equation
   16,538.73 : 22,807.89 = 12,755.90 : x
2. Step 2: Convert to fraction form
   16,538.73/22,807.89 = 12,755.90/x
3. Step 3: Cross multiply
   16,538.73x = 22,807.89 × 12,755.90
4. Step 4: Simplify right side
   16,538.73x = 290,935,050.01
5. Step 5: Solve for x
   x = 290,935,050.01/16,538.73
6. Step 6: Final answer
   x = 17,591.14