Finding the Fourth Proportional to 3,718.92, 5,131.52 and 2,146.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,718.92 : 5,131.52 = 2,146.72 : x
2. Step 2: Convert to fraction form
   3,718.92/5,131.52 = 2,146.72/x
3. Step 3: Cross multiply
   3,718.92x = 5,131.52 × 2,146.72
4. Step 4: Simplify right side
   3,718.92x = 11,015,936.61
5. Step 5: Solve for x
   x = 11,015,936.61/3,718.92
6. Step 6: Final answer
   x = 2,962.13