Finding the Fourth Proportional to 12,162.64, 18,248.04 and 5,587.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,162.64 : 18,248.04 = 5,587.50 : x
2. Step 2: Convert to fraction form
   12,162.64/18,248.04 = 5,587.50/x
3. Step 3: Cross multiply
   12,162.64x = 18,248.04 × 5,587.50
4. Step 4: Simplify right side
   12,162.64x = 101,960,923.50
5. Step 5: Solve for x
   x = 101,960,923.50/12,162.64
6. Step 6: Final answer
   x = 8,383.12