Finding the Fourth Proportional to 12,182.06, 18,280.42 and 5,256.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,182.06 : 18,280.42 = 5,256.56 : x
2. Step 2: Convert to fraction form
   12,182.06/18,280.42 = 5,256.56/x
3. Step 3: Cross multiply
   12,182.06x = 18,280.42 × 5,256.56
4. Step 4: Simplify right side
   12,182.06x = 96,092,157.11
5. Step 5: Solve for x
   x = 96,092,157.11/12,182.06
6. Step 6: Final answer
   x = 7,888.00