Finding the Fourth Proportional to 12,280.08, 18,404.71 and 5,251.83

Step by Step Solution

1. Step 1: Write the proportion equation
   12,280.08 : 18,404.71 = 5,251.83 : x
2. Step 2: Convert to fraction form
   12,280.08/18,404.71 = 5,251.83/x
3. Step 3: Cross multiply
   12,280.08x = 18,404.71 × 5,251.83
4. Step 4: Simplify right side
   12,280.08x = 96,658,408.12
5. Step 5: Solve for x
   x = 96,658,408.12/12,280.08
6. Step 6: Final answer
   x = 7,871.15