Finding the Fourth Proportional to 8,891.51, 12,272.73 and 5,532.32

Step by Step Solution

1. Step 1: Write the proportion equation
   8,891.51 : 12,272.73 = 5,532.32 : x
2. Step 2: Convert to fraction form
   8,891.51/12,272.73 = 5,532.32/x
3. Step 3: Cross multiply
   8,891.51x = 12,272.73 × 5,532.32
4. Step 4: Simplify right side
   8,891.51x = 67,896,608.27
5. Step 5: Solve for x
   x = 67,896,608.27/8,891.51
6. Step 6: Final answer
   x = 7,636.12