Finding the Fourth Proportional to 2,188.53, 3,283.00 and 1,455.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,188.53 : 3,283.00 = 1,455.89 : x
2. Step 2: Convert to fraction form
   2,188.53/3,283.00 = 1,455.89/x
3. Step 3: Cross multiply
   2,188.53x = 3,283.00 × 1,455.89
4. Step 4: Simplify right side
   2,188.53x = 4,779,666.82
5. Step 5: Solve for x
   x = 4,779,666.82/2,188.53
6. Step 6: Final answer
   x = 2,183.96