Finding the Fourth Proportional to 23,659.69, 35,415.72 and 17,426.74

Step by Step Solution

1. Step 1: Write the proportion equation
   23,659.69 : 35,415.72 = 17,426.74 : x
2. Step 2: Convert to fraction form
   23,659.69/35,415.72 = 17,426.74/x
3. Step 3: Cross multiply
   23,659.69x = 35,415.72 × 17,426.74
4. Step 4: Simplify right side
   23,659.69x = 617,180,544.35
5. Step 5: Solve for x
   x = 617,180,544.35/23,659.69
6. Step 6: Final answer
   x = 26,085.74