Finding the Fourth Proportional to 11,023.74, 15,212.71 and 5,987.85

Step by Step Solution

1. Step 1: Write the proportion equation
   11,023.74 : 15,212.71 = 5,987.85 : x
2. Step 2: Convert to fraction form
   11,023.74/15,212.71 = 5,987.85/x
3. Step 3: Cross multiply
   11,023.74x = 15,212.71 × 5,987.85
4. Step 4: Simplify right side
   11,023.74x = 91,091,425.57
5. Step 5: Solve for x
   x = 91,091,425.57/11,023.74
6. Step 6: Final answer
   x = 8,263.21