Finding the Fourth Proportional to 1,665.93, 2,497.50 and 925.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,665.93 : 2,497.50 = 925.50 : x
2. Step 2: Convert to fraction form
   1,665.93/2,497.50 = 925.50/x
3. Step 3: Cross multiply
   1,665.93x = 2,497.50 × 925.50
4. Step 4: Simplify right side
   1,665.93x = 2,311,436.25
5. Step 5: Solve for x
   x = 2,311,436.25/1,665.93
6. Step 6: Final answer
   x = 1,387.48