Finding the Fourth Proportional to 2,196.30, 3,030.83 and 1,201.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,196.30 : 3,030.83 = 1,201.58 : x
2. Step 2: Convert to fraction form
   2,196.30/3,030.83 = 1,201.58/x
3. Step 3: Cross multiply
   2,196.30x = 3,030.83 × 1,201.58
4. Step 4: Simplify right side
   2,196.30x = 3,641,803.23
5. Step 5: Solve for x
   x = 3,641,803.23/2,196.30
6. Step 6: Final answer
   x = 1,658.16