Finding the Fourth Proportional to 9,432.20, 13,016.61 and 5,343.63

Step by Step Solution

1. Step 1: Write the proportion equation
   9,432.20 : 13,016.61 = 5,343.63 : x
2. Step 2: Convert to fraction form
   9,432.20/13,016.61 = 5,343.63/x
3. Step 3: Cross multiply
   9,432.20x = 13,016.61 × 5,343.63
4. Step 4: Simplify right side
   9,432.20x = 69,555,947.69
5. Step 5: Solve for x
   x = 69,555,947.69/9,432.20
6. Step 6: Final answer
   x = 7,374.31