Finding the Fourth Proportional to 1,601.37, 2,209.91 and 938.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,601.37 : 2,209.91 = 938.09 : x
2. Step 2: Convert to fraction form
   1,601.37/2,209.91 = 938.09/x
3. Step 3: Cross multiply
   1,601.37x = 2,209.91 × 938.09
4. Step 4: Simplify right side
   1,601.37x = 2,073,094.47
5. Step 5: Solve for x
   x = 2,073,094.47/1,601.37
6. Step 6: Final answer
   x = 1,294.58