Finding the Fourth Proportional to 9,291.54, 12,828.33 and 5,758.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,291.54 : 12,828.33 = 5,758.50 : x
2. Step 2: Convert to fraction form
   9,291.54/12,828.33 = 5,758.50/x
3. Step 3: Cross multiply
   9,291.54x = 12,828.33 × 5,758.50
4. Step 4: Simplify right side
   9,291.54x = 73,871,938.31
5. Step 5: Solve for x
   x = 73,871,938.31/9,291.54
6. Step 6: Final answer
   x = 7,950.45