Finding the Fourth Proportional to 2,196.59, 3,030.45 and 1,355.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,196.59 : 3,030.45 = 1,355.84 : x
2. Step 2: Convert to fraction form
   2,196.59/3,030.45 = 1,355.84/x
3. Step 3: Cross multiply
   2,196.59x = 3,030.45 × 1,355.84
4. Step 4: Simplify right side
   2,196.59x = 4,108,805.33
5. Step 5: Solve for x
   x = 4,108,805.33/2,196.59
6. Step 6: Final answer
   x = 1,870.54