Finding the Fourth Proportional to 2,219.67, 3,063.06 and 1,275.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,219.67 : 3,063.06 = 1,275.53 : x
2. Step 2: Convert to fraction form
   2,219.67/3,063.06 = 1,275.53/x
3. Step 3: Cross multiply
   2,219.67x = 3,063.06 × 1,275.53
4. Step 4: Simplify right side
   2,219.67x = 3,907,009.61
5. Step 5: Solve for x
   x = 3,907,009.61/2,219.67
6. Step 6: Final answer
   x = 1,760.18