Finding the Fourth Proportional to 9,432.81, 13,017.48 and 5,454.09

Step by Step Solution

1. Step 1: Write the proportion equation
   9,432.81 : 13,017.48 = 5,454.09 : x
2. Step 2: Convert to fraction form
   9,432.81/13,017.48 = 5,454.09/x
3. Step 3: Cross multiply
   9,432.81x = 13,017.48 × 5,454.09
4. Step 4: Simplify right side
   9,432.81x = 70,998,507.49
5. Step 5: Solve for x
   x = 70,998,507.49/9,432.81
6. Step 6: Final answer
   x = 7,526.76