Finding the Fourth Proportional to 12,182.48, 18,277.43 and 5,158.83

Step by Step Solution

1. Step 1: Write the proportion equation
   12,182.48 : 18,277.43 = 5,158.83 : x
2. Step 2: Convert to fraction form
   12,182.48/18,277.43 = 5,158.83/x
3. Step 3: Cross multiply
   12,182.48x = 18,277.43 × 5,158.83
4. Step 4: Simplify right side
   12,182.48x = 94,290,128.41
5. Step 5: Solve for x
   x = 94,290,128.41/12,182.48
6. Step 6: Final answer
   x = 7,739.82