Finding the Fourth Proportional to 10,848.57, 16,287.90 and 5,587.33

Step by Step Solution

1. Step 1: Write the proportion equation
   10,848.57 : 16,287.90 = 5,587.33 : x
2. Step 2: Convert to fraction form
   10,848.57/16,287.90 = 5,587.33/x
3. Step 3: Cross multiply
   10,848.57x = 16,287.90 × 5,587.33
4. Step 4: Simplify right side
   10,848.57x = 91,005,872.60
5. Step 5: Solve for x
   x = 91,005,872.60/10,848.57
6. Step 6: Final answer
   x = 8,388.75