Finding the Fourth Proportional to 9,100.89, 12,559.05 and 5,326.29

Step by Step Solution

1. Step 1: Write the proportion equation
   9,100.89 : 12,559.05 = 5,326.29 : x
2. Step 2: Convert to fraction form
   9,100.89/12,559.05 = 5,326.29/x
3. Step 3: Cross multiply
   9,100.89x = 12,559.05 × 5,326.29
4. Step 4: Simplify right side
   9,100.89x = 66,893,142.42
5. Step 5: Solve for x
   x = 66,893,142.42/9,100.89
6. Step 6: Final answer
   x = 7,350.18