Finding the Fourth Proportional to 9,597.31, 13,244.53 and 5,290.57

Step by Step Solution

1. Step 1: Write the proportion equation
   9,597.31 : 13,244.53 = 5,290.57 : x
2. Step 2: Convert to fraction form
   9,597.31/13,244.53 = 5,290.57/x
3. Step 3: Cross multiply
   9,597.31x = 13,244.53 × 5,290.57
4. Step 4: Simplify right side
   9,597.31x = 70,071,113.08
5. Step 5: Solve for x
   x = 70,071,113.08/9,597.31
6. Step 6: Final answer
   x = 7,301.12