Finding the Fourth Proportional to 9,345.42, 12,884.99 and 5,982.71

Step by Step Solution

1. Step 1: Write the proportion equation
   9,345.42 : 12,884.99 = 5,982.71 : x
2. Step 2: Convert to fraction form
   9,345.42/12,884.99 = 5,982.71/x
3. Step 3: Cross multiply
   9,345.42x = 12,884.99 × 5,982.71
4. Step 4: Simplify right side
   9,345.42x = 77,087,064.18
5. Step 5: Solve for x
   x = 77,087,064.18/9,345.42
6. Step 6: Final answer
   x = 8,248.65