Finding the Fourth Proportional to 17,680.16, 26,522.40 and 5,996.72

Step by Step Solution

1. Step 1: Write the proportion equation
   17,680.16 : 26,522.40 = 5,996.72 : x
2. Step 2: Convert to fraction form
   17,680.16/26,522.40 = 5,996.72/x
3. Step 3: Cross multiply
   17,680.16x = 26,522.40 × 5,996.72
4. Step 4: Simplify right side
   17,680.16x = 159,047,406.53
5. Step 5: Solve for x
   x = 159,047,406.53/17,680.16
6. Step 6: Final answer
   x = 8,995.81