Finding the Fourth Proportional to 1,601.01, 2,209.61 and 938.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,601.01 : 2,209.61 = 938.03 : x
2. Step 2: Convert to fraction form
   1,601.01/2,209.61 = 938.03/x
3. Step 3: Cross multiply
   1,601.01x = 2,209.61 × 938.03
4. Step 4: Simplify right side
   1,601.01x = 2,072,671.77
5. Step 5: Solve for x
   x = 2,072,671.77/1,601.01
6. Step 6: Final answer
   x = 1,294.60