Finding the Fourth Proportional to 1,552.25, 2,141.78 and 923.00

Step by Step Solution

1. Step 1: Write the proportion equation
   1,552.25 : 2,141.78 = 923.00 : x
2. Step 2: Convert to fraction form
   1,552.25/2,141.78 = 923.00/x
3. Step 3: Cross multiply
   1,552.25x = 2,141.78 × 923.00
4. Step 4: Simplify right side
   1,552.25x = 1,976,847.62
5. Step 5: Solve for x
   x = 1,976,847.62/1,552.25
6. Step 6: Final answer
   x = 1,273.54