Finding the Fourth Proportional to 11,575.56, 17,356.04 and 7,622.55

Step by Step Solution

1. Step 1: Write the proportion equation
   11,575.56 : 17,356.04 = 7,622.55 : x
2. Step 2: Convert to fraction form
   11,575.56/17,356.04 = 7,622.55/x
3. Step 3: Cross multiply
   11,575.56x = 17,356.04 × 7,622.55
4. Step 4: Simplify right side
   11,575.56x = 132,297,345.15
5. Step 5: Solve for x
   x = 132,297,345.15/11,575.56
6. Step 6: Final answer
   x = 11,429.03