Finding the Fourth Proportional to 5,290.64, 7,302.50 and 3,300

Step by Step Solution

1. Step 1: Write the proportion equation
   5,290.64 : 7,302.50 = 3,300 : x
2. Step 2: Convert to fraction form
   5,290.64/7,302.50 = 3,300/x
3. Step 3: Cross multiply
   5,290.64x = 7,302.50 × 3,300
4. Step 4: Simplify right side
   5,290.64x = 24,098,233.50
5. Step 5: Solve for x
   x = 24,098,233.50/5,290.64
6. Step 6: Final answer
   x = 4,554.88