Finding the Fourth Proportional to 5,152.29, 7,112.57 and 3,290.37

Step by Step Solution

1. Step 1: Write the proportion equation
   5,152.29 : 7,112.57 = 3,290.37 : x
2. Step 2: Convert to fraction form
   5,152.29/7,112.57 = 3,290.37/x
3. Step 3: Cross multiply
   5,152.29x = 7,112.57 × 3,290.37
4. Step 4: Simplify right side
   5,152.29x = 23,402,986.95
5. Step 5: Solve for x
   x = 23,402,986.95/5,152.29
6. Step 6: Final answer
   x = 4,542.25