Finding the Fourth Proportional to 9,483.72, 13,087.89 and 5,292.78

Step by Step Solution

1. Step 1: Write the proportion equation
   9,483.72 : 13,087.89 = 5,292.78 : x
2. Step 2: Convert to fraction form
   9,483.72/13,087.89 = 5,292.78/x
3. Step 3: Cross multiply
   9,483.72x = 13,087.89 × 5,292.78
4. Step 4: Simplify right side
   9,483.72x = 69,271,322.43
5. Step 5: Solve for x
   x = 69,271,322.43/9,483.72
6. Step 6: Final answer
   x = 7,304.24