Finding the Fourth Proportional to 2,948.03, 4,421.15 and 1,216.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,948.03 : 4,421.15 = 1,216.25 : x
2. Step 2: Convert to fraction form
   2,948.03/4,421.15 = 1,216.25/x
3. Step 3: Cross multiply
   2,948.03x = 4,421.15 × 1,216.25
4. Step 4: Simplify right side
   2,948.03x = 5,377,217.61
5. Step 5: Solve for x
   x = 5,377,217.61/2,948.03
6. Step 6: Final answer
   x = 1,824.00