Finding the Fourth Proportional to 36,558.72, 54,826.74 and 13,182.12

Step by Step Solution

1. Step 1: Write the proportion equation
   36,558.72 : 54,826.74 = 13,182.12 : x
2. Step 2: Convert to fraction form
   36,558.72/54,826.74 = 13,182.12/x
3. Step 3: Cross multiply
   36,558.72x = 54,826.74 × 13,182.12
4. Step 4: Simplify right side
   36,558.72x = 722,732,665.89
5. Step 5: Solve for x
   x = 722,732,665.89/36,558.72
6. Step 6: Final answer
   x = 19,769.09