Finding the Fourth Proportional to 2,196.18, 3,030.77 and 1,201.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,196.18 : 3,030.77 = 1,201.45 : x
2. Step 2: Convert to fraction form
   2,196.18/3,030.77 = 1,201.45/x
3. Step 3: Cross multiply
   2,196.18x = 3,030.77 × 1,201.45
4. Step 4: Simplify right side
   2,196.18x = 3,641,312.61
5. Step 5: Solve for x
   x = 3,641,312.61/2,196.18
6. Step 6: Final answer
   x = 1,658.02