Finding the Fourth Proportional to 12,061.47, 18,081.80 and 5,825.86

Step by Step Solution

1. Step 1: Write the proportion equation
   12,061.47 : 18,081.80 = 5,825.86 : x
2. Step 2: Convert to fraction form
   12,061.47/18,081.80 = 5,825.86/x
3. Step 3: Cross multiply
   12,061.47x = 18,081.80 × 5,825.86
4. Step 4: Simplify right side
   12,061.47x = 105,341,982.86
5. Step 5: Solve for x
   x = 105,341,982.86/12,061.47
6. Step 6: Final answer
   x = 8,733.76