Finding the Fourth Proportional to 8,085.50, 12,127.88 and 3,156.04

Step by Step Solution

1. Step 1: Write the proportion equation
   8,085.50 : 12,127.88 = 3,156.04 : x
2. Step 2: Convert to fraction form
   8,085.50/12,127.88 = 3,156.04/x
3. Step 3: Cross multiply
   8,085.50x = 12,127.88 × 3,156.04
4. Step 4: Simplify right side
   8,085.50x = 38,276,074.40
5. Step 5: Solve for x
   x = 38,276,074.40/8,085.50
6. Step 6: Final answer
   x = 4,733.92