Finding the Fourth Proportional to 2,870.52, 4,306.19 and 1,227.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,870.52 : 4,306.19 = 1,227.03 : x
2. Step 2: Convert to fraction form
   2,870.52/4,306.19 = 1,227.03/x
3. Step 3: Cross multiply
   2,870.52x = 4,306.19 × 1,227.03
4. Step 4: Simplify right side
   2,870.52x = 5,283,818.18
5. Step 5: Solve for x
   x = 5,283,818.18/2,870.52
6. Step 6: Final answer
   x = 1,840.72