Finding the Fourth Proportional to 1,036.72, 1,554.72 and 625.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,036.72 : 1,554.72 = 625.48 : x
2. Step 2: Convert to fraction form
   1,036.72/1,554.72 = 625.48/x
3. Step 3: Cross multiply
   1,036.72x = 1,554.72 × 625.48
4. Step 4: Simplify right side
   1,036.72x = 972,446.27
5. Step 5: Solve for x
   x = 972,446.27/1,036.72
6. Step 6: Final answer
   x = 938.00