Finding the Fourth Proportional to 17,478.78, 26,212.08 and 5,788.86

Step by Step Solution

1. Step 1: Write the proportion equation
   17,478.78 : 26,212.08 = 5,788.86 : x
2. Step 2: Convert to fraction form
   17,478.78/26,212.08 = 5,788.86/x
3. Step 3: Cross multiply
   17,478.78x = 26,212.08 × 5,788.86
4. Step 4: Simplify right side
   17,478.78x = 151,738,061.43
5. Step 5: Solve for x
   x = 151,738,061.43/17,478.78
6. Step 6: Final answer
   x = 8,681.27