Finding the Fourth Proportional to 14,399.78, 21,598.25 and 5,038.07

Step by Step Solution

1. Step 1: Write the proportion equation
   14,399.78 : 21,598.25 = 5,038.07 : x
2. Step 2: Convert to fraction form
   14,399.78/21,598.25 = 5,038.07/x
3. Step 3: Cross multiply
   14,399.78x = 21,598.25 × 5,038.07
4. Step 4: Simplify right side
   14,399.78x = 108,813,362.20
5. Step 5: Solve for x
   x = 108,813,362.20/14,399.78
6. Step 6: Final answer
   x = 7,556.60