Finding the Fourth Proportional to 1,444.86, 2,163.60 and 925.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,444.86 : 2,163.60 = 925.47 : x
2. Step 2: Convert to fraction form
   1,444.86/2,163.60 = 925.47/x
3. Step 3: Cross multiply
   1,444.86x = 2,163.60 × 925.47
4. Step 4: Simplify right side
   1,444.86x = 2,002,346.89
5. Step 5: Solve for x
   x = 2,002,346.89/1,444.86
6. Step 6: Final answer
   x = 1,385.84