Finding the Fourth Proportional to 9,531.05, 13,152.89 and 5,282.81

Step by Step Solution

1. Step 1: Write the proportion equation
   9,531.05 : 13,152.89 = 5,282.81 : x
2. Step 2: Convert to fraction form
   9,531.05/13,152.89 = 5,282.81/x
3. Step 3: Cross multiply
   9,531.05x = 13,152.89 × 5,282.81
4. Step 4: Simplify right side
   9,531.05x = 69,484,126.64
5. Step 5: Solve for x
   x = 69,484,126.64/9,531.05
6. Step 6: Final answer
   x = 7,290.29