Finding the Fourth Proportional to 9,431.29, 13,017.50 and 5,454.87

Step by Step Solution

1. Step 1: Write the proportion equation
   9,431.29 : 13,017.50 = 5,454.87 : x
2. Step 2: Convert to fraction form
   9,431.29/13,017.50 = 5,454.87/x
3. Step 3: Cross multiply
   9,431.29x = 13,017.50 × 5,454.87
4. Step 4: Simplify right side
   9,431.29x = 71,008,770.23
5. Step 5: Solve for x
   x = 71,008,770.23/9,431.29
6. Step 6: Final answer
   x = 7,529.06