Finding the Fourth Proportional to 12,327.16, 18,483.32 and 4,821.78

Step by Step Solution

1. Step 1: Write the proportion equation
   12,327.16 : 18,483.32 = 4,821.78 : x
2. Step 2: Convert to fraction form
   12,327.16/18,483.32 = 4,821.78/x
3. Step 3: Cross multiply
   12,327.16x = 18,483.32 × 4,821.78
4. Step 4: Simplify right side
   12,327.16x = 89,122,502.71
5. Step 5: Solve for x
   x = 89,122,502.71/12,327.16
6. Step 6: Final answer
   x = 7,229.77