Finding the Fourth Proportional to 17,864.25, 26,789.69 and 14,345.61

Step by Step Solution

1. Step 1: Write the proportion equation
   17,864.25 : 26,789.69 = 14,345.61 : x
2. Step 2: Convert to fraction form
   17,864.25/26,789.69 = 14,345.61/x
3. Step 3: Cross multiply
   17,864.25x = 26,789.69 × 14,345.61
4. Step 4: Simplify right side
   17,864.25x = 384,314,373.03
5. Step 5: Solve for x
   x = 384,314,373.03/17,864.25
6. Step 6: Final answer
   x = 21,513.04