Finding the Fourth Proportional to 12,988, 19,485.24 and 3,754

Step by Step Solution

1. Step 1: Write the proportion equation
   12,988 : 19,485.24 = 3,754 : x
2. Step 2: Convert to fraction form
   12,988/19,485.24 = 3,754/x
3. Step 3: Cross multiply
   12,988x = 19,485.24 × 3,754
4. Step 4: Simplify right side
   12,988x = 73,147,590.96
5. Step 5: Solve for x
   x = 73,147,590.96/12,988
6. Step 6: Final answer
   x = 5,631.94