Finding the Fourth Proportional to 16,789.98, 23,158.38 and 14,547.87

Step by Step Solution

1. Step 1: Write the proportion equation
   16,789.98 : 23,158.38 = 14,547.87 : x
2. Step 2: Convert to fraction form
   16,789.98/23,158.38 = 14,547.87/x
3. Step 3: Cross multiply
   16,789.98x = 23,158.38 × 14,547.87
4. Step 4: Simplify right side
   16,789.98x = 336,905,101.65
5. Step 5: Solve for x
   x = 336,905,101.65/16,789.98
6. Step 6: Final answer
   x = 20,065.84