Finding the Fourth Proportional to 12,550.42, 18,825.06 and 5,528.55

Step by Step Solution

1. Step 1: Write the proportion equation
   12,550.42 : 18,825.06 = 5,528.55 : x
2. Step 2: Convert to fraction form
   12,550.42/18,825.06 = 5,528.55/x
3. Step 3: Cross multiply
   12,550.42x = 18,825.06 × 5,528.55
4. Step 4: Simplify right side
   12,550.42x = 104,075,345.69
5. Step 5: Solve for x
   x = 104,075,345.69/12,550.42
6. Step 6: Final answer
   x = 8,292.58