Finding the Fourth Proportional to 12,936.30, 19,404.54 and 5,534.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,936.30 : 19,404.54 = 5,534.52 : x
2. Step 2: Convert to fraction form
   12,936.30/19,404.54 = 5,534.52/x
3. Step 3: Cross multiply
   12,936.30x = 19,404.54 × 5,534.52
4. Step 4: Simplify right side
   12,936.30x = 107,394,814.72
5. Step 5: Solve for x
   x = 107,394,814.72/12,936.30
6. Step 6: Final answer
   x = 8,301.82