Finding the Fourth Proportional to 17,680.68, 26,504.52 and 5,985.72

Step by Step Solution

1. Step 1: Write the proportion equation
   17,680.68 : 26,504.52 = 5,985.72 : x
2. Step 2: Convert to fraction form
   17,680.68/26,504.52 = 5,985.72/x
3. Step 3: Cross multiply
   17,680.68x = 26,504.52 × 5,985.72
4. Step 4: Simplify right side
   17,680.68x = 158,648,635.45
5. Step 5: Solve for x
   x = 158,648,635.45/17,680.68
6. Step 6: Final answer
   x = 8,972.99