Finding the Fourth Proportional to 2,063.30, 2,847.63 and 1,224.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,063.30 : 2,847.63 = 1,224.74 : x
2. Step 2: Convert to fraction form
   2,063.30/2,847.63 = 1,224.74/x
3. Step 3: Cross multiply
   2,063.30x = 2,847.63 × 1,224.74
4. Step 4: Simplify right side
   2,063.30x = 3,487,606.37
5. Step 5: Solve for x
   x = 3,487,606.37/2,063.30
6. Step 6: Final answer
   x = 1,690.31