Finding the Fourth Proportional to 1,603.71, 2,213.01 and 940.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,603.71 : 2,213.01 = 940.50 : x
2. Step 2: Convert to fraction form
   1,603.71/2,213.01 = 940.50/x
3. Step 3: Cross multiply
   1,603.71x = 2,213.01 × 940.50
4. Step 4: Simplify right side
   1,603.71x = 2,081,335.91
5. Step 5: Solve for x
   x = 2,081,335.91/1,603.71
6. Step 6: Final answer
   x = 1,297.83