Finding the Fourth Proportional to 17,680.84, 26,519.64 and 5,992.72

Step by Step Solution

1. Step 1: Write the proportion equation
   17,680.84 : 26,519.64 = 5,992.72 : x
2. Step 2: Convert to fraction form
   17,680.84/26,519.64 = 5,992.72/x
3. Step 3: Cross multiply
   17,680.84x = 26,519.64 × 5,992.72
4. Step 4: Simplify right side
   17,680.84x = 158,924,777.02
5. Step 5: Solve for x
   x = 158,924,777.02/17,680.84
6. Step 6: Final answer
   x = 8,988.53