Finding the Fourth Proportional to 12,454.87, 18,669.33 and 5,433.00

Step by Step Solution

1. Step 1: Write the proportion equation
   12,454.87 : 18,669.33 = 5,433.00 : x
2. Step 2: Convert to fraction form
   12,454.87/18,669.33 = 5,433.00/x
3. Step 3: Cross multiply
   12,454.87x = 18,669.33 × 5,433.00
4. Step 4: Simplify right side
   12,454.87x = 101,430,349.38
5. Step 5: Solve for x
   x = 101,430,349.38/12,454.87
6. Step 6: Final answer
   x = 8,143.83