Finding the Fourth Proportional to 2,141.10, 3,214.06 and 1,656.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,141.10 : 3,214.06 = 1,656.30 : x
2. Step 2: Convert to fraction form
   2,141.10/3,214.06 = 1,656.30/x
3. Step 3: Cross multiply
   2,141.10x = 3,214.06 × 1,656.30
4. Step 4: Simplify right side
   2,141.10x = 5,323,447.58
5. Step 5: Solve for x
   x = 5,323,447.58/2,141.10
6. Step 6: Final answer
   x = 2,486.31