Finding the Fourth Proportional to 3,718.32, 5,131.72 and 2,146.38

Step by Step Solution

1. Step 1: Write the proportion equation
   3,718.32 : 5,131.72 = 2,146.38 : x
2. Step 2: Convert to fraction form
   3,718.32/5,131.72 = 2,146.38/x
3. Step 3: Cross multiply
   3,718.32x = 5,131.72 × 2,146.38
4. Step 4: Simplify right side
   3,718.32x = 11,014,621.17
5. Step 5: Solve for x
   x = 11,014,621.17/3,718.32
6. Step 6: Final answer
   x = 2,962.26