Finding the Fourth Proportional to 9,561.27, 13,194.53 and 5,312.31

Step by Step Solution

1. Step 1: Write the proportion equation
   9,561.27 : 13,194.53 = 5,312.31 : x
2. Step 2: Convert to fraction form
   9,561.27/13,194.53 = 5,312.31/x
3. Step 3: Cross multiply
   9,561.27x = 13,194.53 × 5,312.31
4. Step 4: Simplify right side
   9,561.27x = 70,093,433.66
5. Step 5: Solve for x
   x = 70,093,433.66/9,561.27
6. Step 6: Final answer
   x = 7,330.98