Finding the Fourth Proportional to 2,948.06, 4,422.70 and 1,216.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,948.06 : 4,422.70 = 1,216.69 : x
2. Step 2: Convert to fraction form
   2,948.06/4,422.70 = 1,216.69/x
3. Step 3: Cross multiply
   2,948.06x = 4,422.70 × 1,216.69
4. Step 4: Simplify right side
   2,948.06x = 5,381,045.33
5. Step 5: Solve for x
   x = 5,381,045.33/2,948.06
6. Step 6: Final answer
   x = 1,825.28