Finding the Fourth Proportional to 1,016.02, 1,522.09 and 603.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,016.02 : 1,522.09 = 603.91 : x
2. Step 2: Convert to fraction form
   1,016.02/1,522.09 = 603.91/x
3. Step 3: Cross multiply
   1,016.02x = 1,522.09 × 603.91
4. Step 4: Simplify right side
   1,016.02x = 919,205.37
5. Step 5: Solve for x
   x = 919,205.37/1,016.02
6. Step 6: Final answer
   x = 904.71