Finding the Fourth Proportional to 1,036.10, 1,554.15 and 604.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,036.10 : 1,554.15 = 604.10 : x
2. Step 2: Convert to fraction form
   1,036.10/1,554.15 = 604.10/x
3. Step 3: Cross multiply
   1,036.10x = 1,554.15 × 604.10
4. Step 4: Simplify right side
   1,036.10x = 938,862.02
5. Step 5: Solve for x
   x = 938,862.02/1,036.10
6. Step 6: Final answer
   x = 906.15