Finding the Fourth Proportional to 1,601.10, 2,210.06 and 938.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,601.10 : 2,210.06 = 938.16 : x
2. Step 2: Convert to fraction form
   1,601.10/2,210.06 = 938.16/x
3. Step 3: Cross multiply
   1,601.10x = 2,210.06 × 938.16
4. Step 4: Simplify right side
   1,601.10x = 2,073,389.89
5. Step 5: Solve for x
   x = 2,073,389.89/1,601.10
6. Step 6: Final answer
   x = 1,294.98