Finding the Fourth Proportional to 12,255.57, 18,375.93 and 5,499.92

Step by Step Solution

1. Step 1: Write the proportion equation
   12,255.57 : 18,375.93 = 5,499.92 : x
2. Step 2: Convert to fraction form
   12,255.57/18,375.93 = 5,499.92/x
3. Step 3: Cross multiply
   12,255.57x = 18,375.93 × 5,499.92
4. Step 4: Simplify right side
   12,255.57x = 101,066,190.87
5. Step 5: Solve for x
   x = 101,066,190.87/12,255.57
6. Step 6: Final answer
   x = 8,246.55