Finding the Fourth Proportional to 8,092.47, 12,131.52 and 3,160.99

Step by Step Solution

1. Step 1: Write the proportion equation
   8,092.47 : 12,131.52 = 3,160.99 : x
2. Step 2: Convert to fraction form
   8,092.47/12,131.52 = 3,160.99/x
3. Step 3: Cross multiply
   8,092.47x = 12,131.52 × 3,160.99
4. Step 4: Simplify right side
   8,092.47x = 38,347,634.50
5. Step 5: Solve for x
   x = 38,347,634.50/8,092.47
6. Step 6: Final answer
   x = 4,738.68