Finding the Fourth Proportional to 1,262.13, 1,892.71 and 603.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,262.13 : 1,892.71 = 603.83 : x
2. Step 2: Convert to fraction form
   1,262.13/1,892.71 = 603.83/x
3. Step 3: Cross multiply
   1,262.13x = 1,892.71 × 603.83
4. Step 4: Simplify right side
   1,262.13x = 1,142,875.08
5. Step 5: Solve for x
   x = 1,142,875.08/1,262.13
6. Step 6: Final answer
   x = 905.51