Finding the Fourth Proportional to 1,908.52, 2,630.82 and 1,318.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,908.52 : 2,630.82 = 1,318.02 : x
2. Step 2: Convert to fraction form
   1,908.52/2,630.82 = 1,318.02/x
3. Step 3: Cross multiply
   1,908.52x = 2,630.82 × 1,318.02
4. Step 4: Simplify right side
   1,908.52x = 3,467,473.38
5. Step 5: Solve for x
   x = 3,467,473.38/1,908.52
6. Step 6: Final answer
   x = 1,816.84