Finding the Fourth Proportional to 1,554.45, 2,144.61 and 925.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,554.45 : 2,144.61 = 925.08 : x
2. Step 2: Convert to fraction form
   1,554.45/2,144.61 = 925.08/x
3. Step 3: Cross multiply
   1,554.45x = 2,144.61 × 925.08
4. Step 4: Simplify right side
   1,554.45x = 1,983,935.82
5. Step 5: Solve for x
   x = 1,983,935.82/1,554.45
6. Step 6: Final answer
   x = 1,276.29