Finding the Fourth Proportional to 2,116.51, 2,921.58 and 1,895.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,116.51 : 2,921.58 = 1,895.09 : x
2. Step 2: Convert to fraction form
   2,116.51/2,921.58 = 1,895.09/x
3. Step 3: Cross multiply
   2,116.51x = 2,921.58 × 1,895.09
4. Step 4: Simplify right side
   2,116.51x = 5,536,642.43
5. Step 5: Solve for x
   x = 5,536,642.43/2,116.51
6. Step 6: Final answer
   x = 2,615.93