Finding the Fourth Proportional to 2,212.52, 3,045.86 and 1,936.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,212.52 : 3,045.86 = 1,936.36 : x
2. Step 2: Convert to fraction form
   2,212.52/3,045.86 = 1,936.36/x
3. Step 3: Cross multiply
   2,212.52x = 3,045.86 × 1,936.36
4. Step 4: Simplify right side
   2,212.52x = 5,897,881.47
5. Step 5: Solve for x
   x = 5,897,881.47/2,212.52
6. Step 6: Final answer
   x = 2,665.69