Finding the Fourth Proportional to 11,354.74, 17,040.39 and 5,812.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,354.74 : 17,040.39 = 5,812.72 : x
2. Step 2: Convert to fraction form
   11,354.74/17,040.39 = 5,812.72/x
3. Step 3: Cross multiply
   11,354.74x = 17,040.39 × 5,812.72
4. Step 4: Simplify right side
   11,354.74x = 99,051,015.76
5. Step 5: Solve for x
   x = 99,051,015.76/11,354.74
6. Step 6: Final answer
   x = 8,723.32