Finding the Fourth Proportional to 17,478.93, 26,196.52 and 13,766.50

Step by Step Solution

1. Step 1: Write the proportion equation
   17,478.93 : 26,196.52 = 13,766.50 : x
2. Step 2: Convert to fraction form
   17,478.93/26,196.52 = 13,766.50/x
3. Step 3: Cross multiply
   17,478.93x = 26,196.52 × 13,766.50
4. Step 4: Simplify right side
   17,478.93x = 360,634,392.58
5. Step 5: Solve for x
   x = 360,634,392.58/17,478.93
6. Step 6: Final answer
   x = 20,632.52