Finding the Fourth Proportional to 12,426.57, 18,646.34 and 5,036.49

Step by Step Solution

1. Step 1: Write the proportion equation
   12,426.57 : 18,646.34 = 5,036.49 : x
2. Step 2: Convert to fraction form
   12,426.57/18,646.34 = 5,036.49/x
3. Step 3: Cross multiply
   12,426.57x = 18,646.34 × 5,036.49
4. Step 4: Simplify right side
   12,426.57x = 93,912,079.76
5. Step 5: Solve for x
   x = 93,912,079.76/12,426.57
6. Step 6: Final answer
   x = 7,557.36