Finding the Fourth Proportional to 14,399.51, 21,601.53 and 5,039.30

Step by Step Solution

1. Step 1: Write the proportion equation
   14,399.51 : 21,601.53 = 5,039.30 : x
2. Step 2: Convert to fraction form
   14,399.51/21,601.53 = 5,039.30/x
3. Step 3: Cross multiply
   14,399.51x = 21,601.53 × 5,039.30
4. Step 4: Simplify right side
   14,399.51x = 108,856,482.12
5. Step 5: Solve for x
   x = 108,856,482.12/14,399.51
6. Step 6: Final answer
   x = 7,559.74