Finding the Fourth Proportional to 5,389.48, 8,076.38 and 2,460.52

Step by Step Solution

1. Step 1: Write the proportion equation
   5,389.48 : 8,076.38 = 2,460.52 : x
2. Step 2: Convert to fraction form
   5,389.48/8,076.38 = 2,460.52/x
3. Step 3: Cross multiply
   5,389.48x = 8,076.38 × 2,460.52
4. Step 4: Simplify right side
   5,389.48x = 19,872,094.52
5. Step 5: Solve for x
   x = 19,872,094.52/5,389.48
6. Step 6: Final answer
   x = 3,687.20