Finding the Fourth Proportional to 2,196.86, 3,030.53 and 1,488.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,196.86 : 3,030.53 = 1,488.74 : x
2. Step 2: Convert to fraction form
   2,196.86/3,030.53 = 1,488.74/x
3. Step 3: Cross multiply
   2,196.86x = 3,030.53 × 1,488.74
4. Step 4: Simplify right side
   2,196.86x = 4,511,648.64
5. Step 5: Solve for x
   x = 4,511,648.64/2,196.86
6. Step 6: Final answer
   x = 2,053.69