Finding the Fourth Proportional to 23,687.88, 35,554.16 and 17,428.83

Step by Step Solution

1. Step 1: Write the proportion equation
   23,687.88 : 35,554.16 = 17,428.83 : x
2. Step 2: Convert to fraction form
   23,687.88/35,554.16 = 17,428.83/x
3. Step 3: Cross multiply
   23,687.88x = 35,554.16 × 17,428.83
4. Step 4: Simplify right side
   23,687.88x = 619,667,410.43
5. Step 5: Solve for x
   x = 619,667,410.43/23,687.88
6. Step 6: Final answer
   x = 26,159.68