Finding the Fourth Proportional to 1,705.50, 2,352.78 and 1,374.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,705.50 : 2,352.78 = 1,374.30 : x
2. Step 2: Convert to fraction form
   1,705.50/2,352.78 = 1,374.30/x
3. Step 3: Cross multiply
   1,705.50x = 2,352.78 × 1,374.30
4. Step 4: Simplify right side
   1,705.50x = 3,233,425.55
5. Step 5: Solve for x
   x = 3,233,425.55/1,705.50
6. Step 6: Final answer
   x = 1,895.88