Finding the Fourth Proportional to 17,618.22, 26,426.40 and 4,470.71

Step by Step Solution

1. Step 1: Write the proportion equation
   17,618.22 : 26,426.40 = 4,470.71 : x
2. Step 2: Convert to fraction form
   17,618.22/26,426.40 = 4,470.71/x
3. Step 3: Cross multiply
   17,618.22x = 26,426.40 × 4,470.71
4. Step 4: Simplify right side
   17,618.22x = 118,144,638.61
5. Step 5: Solve for x
   x = 118,144,638.61/17,618.22
6. Step 6: Final answer
   x = 6,705.82