Finding the Fourth Proportional to 1,705.16, 2,557.98 and 925.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,705.16 : 2,557.98 = 925.27 : x
2. Step 2: Convert to fraction form
   1,705.16/2,557.98 = 925.27/x
3. Step 3: Cross multiply
   1,705.16x = 2,557.98 × 925.27
4. Step 4: Simplify right side
   1,705.16x = 2,366,815.76
5. Step 5: Solve for x
   x = 2,366,815.76/1,705.16
6. Step 6: Final answer
   x = 1,388.03