Finding the Fourth Proportional to 13,288.50, 19,941.39 and 5,080.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,288.50 : 19,941.39 = 5,080.50 : x
2. Step 2: Convert to fraction form
   13,288.50/19,941.39 = 5,080.50/x
3. Step 3: Cross multiply
   13,288.50x = 19,941.39 × 5,080.50
4. Step 4: Simplify right side
   13,288.50x = 101,312,231.90
5. Step 5: Solve for x
   x = 101,312,231.90/13,288.50
6. Step 6: Final answer
   x = 7,624.05