Finding the Fourth Proportional to 16,488.93, 22,758.17 and 15,160.53

Step by Step Solution

1. Step 1: Write the proportion equation
   16,488.93 : 22,758.17 = 15,160.53 : x
2. Step 2: Convert to fraction form
   16,488.93/22,758.17 = 15,160.53/x
3. Step 3: Cross multiply
   16,488.93x = 22,758.17 × 15,160.53
4. Step 4: Simplify right side
   16,488.93x = 345,025,900.12
5. Step 5: Solve for x
   x = 345,025,900.12/16,488.93
6. Step 6: Final answer
   x = 20,924.70