Finding the Fourth Proportional to 5,353.86, 7,388.25 and 3,116.52

Step by Step Solution

1. Step 1: Write the proportion equation
   5,353.86 : 7,388.25 = 3,116.52 : x
2. Step 2: Convert to fraction form
   5,353.86/7,388.25 = 3,116.52/x
3. Step 3: Cross multiply
   5,353.86x = 7,388.25 × 3,116.52
4. Step 4: Simplify right side
   5,353.86x = 23,025,628.89
5. Step 5: Solve for x
   x = 23,025,628.89/5,353.86
6. Step 6: Final answer
   x = 4,300.75