Finding the Fourth Proportional to 1,601.50, 2,210.10 and 938.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,601.50 : 2,210.10 = 938.82 : x
2. Step 2: Convert to fraction form
   1,601.50/2,210.10 = 938.82/x
3. Step 3: Cross multiply
   1,601.50x = 2,210.10 × 938.82
4. Step 4: Simplify right side
   1,601.50x = 2,074,886.08
5. Step 5: Solve for x
   x = 2,074,886.08/1,601.50
6. Step 6: Final answer
   x = 1,295.59