Finding the Fourth Proportional to 8,111.52, 12,160.02 and 3,184.68

Step by Step Solution

1. Step 1: Write the proportion equation
   8,111.52 : 12,160.02 = 3,184.68 : x
2. Step 2: Convert to fraction form
   8,111.52/12,160.02 = 3,184.68/x
3. Step 3: Cross multiply
   8,111.52x = 12,160.02 × 3,184.68
4. Step 4: Simplify right side
   8,111.52x = 38,725,772.49
5. Step 5: Solve for x
   x = 38,725,772.49/8,111.52
6. Step 6: Final answer
   x = 4,774.17