Finding the Fourth Proportional to 2,219.73, 3,063.37 and 1,225.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,219.73 : 3,063.37 = 1,225.01 : x
2. Step 2: Convert to fraction form
   2,219.73/3,063.37 = 1,225.01/x
3. Step 3: Cross multiply
   2,219.73x = 3,063.37 × 1,225.01
4. Step 4: Simplify right side
   2,219.73x = 3,752,658.88
5. Step 5: Solve for x
   x = 3,752,658.88/2,219.73
6. Step 6: Final answer
   x = 1,690.59