Finding the Fourth Proportional to 12,068.55, 18,107.99 and 5,050.20

Step by Step Solution

1. Step 1: Write the proportion equation
   12,068.55 : 18,107.99 = 5,050.20 : x
2. Step 2: Convert to fraction form
   12,068.55/18,107.99 = 5,050.20/x
3. Step 3: Cross multiply
   12,068.55x = 18,107.99 × 5,050.20
4. Step 4: Simplify right side
   12,068.55x = 91,448,945.85
5. Step 5: Solve for x
   x = 91,448,945.85/12,068.55
6. Step 6: Final answer
   x = 7,577.46