Finding the Fourth Proportional to 9,343.40, 12,886.59 and 5,986.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,343.40 : 12,886.59 = 5,986.52 : x
2. Step 2: Convert to fraction form
   9,343.40/12,886.59 = 5,986.52/x
3. Step 3: Cross multiply
   9,343.40x = 12,886.59 × 5,986.52
4. Step 4: Simplify right side
   9,343.40x = 77,145,875.95
5. Step 5: Solve for x
   x = 77,145,875.95/9,343.40
6. Step 6: Final answer
   x = 8,256.73