Finding the Fourth Proportional to 12,322.34, 18,483.49 and 4,928.53

Step by Step Solution

1. Step 1: Write the proportion equation
   12,322.34 : 18,483.49 = 4,928.53 : x
2. Step 2: Convert to fraction form
   12,322.34/18,483.49 = 4,928.53/x
3. Step 3: Cross multiply
   12,322.34x = 18,483.49 × 4,928.53
4. Step 4: Simplify right side
   12,322.34x = 91,096,429.58
5. Step 5: Solve for x
   x = 91,096,429.58/12,322.34
6. Step 6: Final answer
   x = 7,392.78