Finding the Fourth Proportional to 5,388.60, 7,436.43 and 3,152.10

Step by Step Solution

1. Step 1: Write the proportion equation
   5,388.60 : 7,436.43 = 3,152.10 : x
2. Step 2: Convert to fraction form
   5,388.60/7,436.43 = 3,152.10/x
3. Step 3: Cross multiply
   5,388.60x = 7,436.43 × 3,152.10
4. Step 4: Simplify right side
   5,388.60x = 23,440,371.00
5. Step 5: Solve for x
   x = 23,440,371.00/5,388.60
6. Step 6: Final answer
   x = 4,349.99