Finding the Fourth Proportional to 17,630.69, 26,446.56 and 5,149.42

Step by Step Solution

1. Step 1: Write the proportion equation
   17,630.69 : 26,446.56 = 5,149.42 : x
2. Step 2: Convert to fraction form
   17,630.69/26,446.56 = 5,149.42/x
3. Step 3: Cross multiply
   17,630.69x = 26,446.56 × 5,149.42
4. Step 4: Simplify right side
   17,630.69x = 136,184,359.57
5. Step 5: Solve for x
   x = 136,184,359.57/17,630.69
6. Step 6: Final answer
   x = 7,724.28