Finding the Fourth Proportional to 12,345.44, 18,522.72 and 5,773.76

Step by Step Solution

1. Step 1: Write the proportion equation
   12,345.44 : 18,522.72 = 5,773.76 : x
2. Step 2: Convert to fraction form
   12,345.44/18,522.72 = 5,773.76/x
3. Step 3: Cross multiply
   12,345.44x = 18,522.72 × 5,773.76
4. Step 4: Simplify right side
   12,345.44x = 106,945,739.83
5. Step 5: Solve for x
   x = 106,945,739.83/12,345.44
6. Step 6: Final answer
   x = 8,662.77