Finding the Fourth Proportional to 1,908.72, 2,633.31 and 1,162.17

Step by Step Solution

1. Step 1: Write the proportion equation
   1,908.72 : 2,633.31 = 1,162.17 : x
2. Step 2: Convert to fraction form
   1,908.72/2,633.31 = 1,162.17/x
3. Step 3: Cross multiply
   1,908.72x = 2,633.31 × 1,162.17
4. Step 4: Simplify right side
   1,908.72x = 3,060,353.88
5. Step 5: Solve for x
   x = 3,060,353.88/1,908.72
6. Step 6: Final answer
   x = 1,603.35