Finding the Fourth Proportional to 9,432.09, 13,017.42 and 5,454.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,432.09 : 13,017.42 = 5,454.18 : x
2. Step 2: Convert to fraction form
   9,432.09/13,017.42 = 5,454.18/x
3. Step 3: Cross multiply
   9,432.09x = 13,017.42 × 5,454.18
4. Step 4: Simplify right side
   9,432.09x = 70,999,351.82
5. Step 5: Solve for x
   x = 70,999,351.82/9,432.09
6. Step 6: Final answer
   x = 7,527.43