Finding the Fourth Proportional to 12,936.54, 19,404.27 and 3,702.54

Step by Step Solution

1. Step 1: Write the proportion equation
   12,936.54 : 19,404.27 = 3,702.54 : x
2. Step 2: Convert to fraction form
   12,936.54/19,404.27 = 3,702.54/x
3. Step 3: Cross multiply
   12,936.54x = 19,404.27 × 3,702.54
4. Step 4: Simplify right side
   12,936.54x = 71,845,085.85
5. Step 5: Solve for x
   x = 71,845,085.85/12,936.54
6. Step 6: Final answer
   x = 5,553.66