Finding the Fourth Proportional to 17,596.72, 26,394.87 and 7,066.55

Step by Step Solution

1. Step 1: Write the proportion equation
   17,596.72 : 26,394.87 = 7,066.55 : x
2. Step 2: Convert to fraction form
   17,596.72/26,394.87 = 7,066.55/x
3. Step 3: Cross multiply
   17,596.72x = 26,394.87 × 7,066.55
4. Step 4: Simplify right side
   17,596.72x = 186,520,633.27
5. Step 5: Solve for x
   x = 186,520,633.27/17,596.72
6. Step 6: Final answer
   x = 10,599.74