Finding the Fourth Proportional to 9,301.91, 12,836.61 and 5,323.10

Step by Step Solution

1. Step 1: Write the proportion equation
   9,301.91 : 12,836.61 = 5,323.10 : x
2. Step 2: Convert to fraction form
   9,301.91/12,836.61 = 5,323.10/x
3. Step 3: Cross multiply
   9,301.91x = 12,836.61 × 5,323.10
4. Step 4: Simplify right side
   9,301.91x = 68,330,494.51
5. Step 5: Solve for x
   x = 68,330,494.51/9,301.91
6. Step 6: Final answer
   x = 7,345.86