Finding the Fourth Proportional to 2,196.11, 3,030.63 and 1,356.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,196.11 : 3,030.63 = 1,356.62 : x
2. Step 2: Convert to fraction form
   2,196.11/3,030.63 = 1,356.62/x
3. Step 3: Cross multiply
   2,196.11x = 3,030.63 × 1,356.62
4. Step 4: Simplify right side
   2,196.11x = 4,111,400.66
5. Step 5: Solve for x
   x = 4,111,400.66/2,196.11
6. Step 6: Final answer
   x = 1,872.13