Finding the Fourth Proportional to 2,214.07, 3,055.52 and 1,691.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,214.07 : 3,055.52 = 1,691.01 : x
2. Step 2: Convert to fraction form
   2,214.07/3,055.52 = 1,691.01/x
3. Step 3: Cross multiply
   2,214.07x = 3,055.52 × 1,691.01
4. Step 4: Simplify right side
   2,214.07x = 5,166,919.10
5. Step 5: Solve for x
   x = 5,166,919.10/2,214.07
6. Step 6: Final answer
   x = 2,333.68