Finding the Fourth Proportional to 9,531.98, 13,150.70 and 5,340.23

Step by Step Solution

1. Step 1: Write the proportion equation
   9,531.98 : 13,150.70 = 5,340.23 : x
2. Step 2: Convert to fraction form
   9,531.98/13,150.70 = 5,340.23/x
3. Step 3: Cross multiply
   9,531.98x = 13,150.70 × 5,340.23
4. Step 4: Simplify right side
   9,531.98x = 70,227,769.59
5. Step 5: Solve for x
   x = 70,227,769.59/9,531.98
6. Step 6: Final answer
   x = 7,367.60