Finding the Fourth Proportional to 11,023.49, 15,212.31 and 5,987.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,023.49 : 15,212.31 = 5,987.72 : x
2. Step 2: Convert to fraction form
   11,023.49/15,212.31 = 5,987.72/x
3. Step 3: Cross multiply
   11,023.49x = 15,212.31 × 5,987.72
4. Step 4: Simplify right side
   11,023.49x = 91,087,068.41
5. Step 5: Solve for x
   x = 91,087,068.41/11,023.49
6. Step 6: Final answer
   x = 8,263.00