Finding the Fourth Proportional to 1,704.06, 2,552.64 and 1,615.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,704.06 : 2,552.64 = 1,615.50 : x
2. Step 2: Convert to fraction form
   1,704.06/2,552.64 = 1,615.50/x
3. Step 3: Cross multiply
   1,704.06x = 2,552.64 × 1,615.50
4. Step 4: Simplify right side
   1,704.06x = 4,123,789.92
5. Step 5: Solve for x
   x = 4,123,789.92/1,704.06
6. Step 6: Final answer
   x = 2,419.98