Finding the Fourth Proportional to 3,721.51, 5,136.89 and 2,676.61

Step by Step Solution

1. Step 1: Write the proportion equation
   3,721.51 : 5,136.89 = 2,676.61 : x
2. Step 2: Convert to fraction form
   3,721.51/5,136.89 = 2,676.61/x
3. Step 3: Cross multiply
   3,721.51x = 5,136.89 × 2,676.61
4. Step 4: Simplify right side
   3,721.51x = 13,749,437.76
5. Step 5: Solve for x
   x = 13,749,437.76/3,721.51
6. Step 6: Final answer
   x = 3,694.59