Finding the Fourth Proportional to 1,601.71, 2,210.58 and 938.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,601.71 : 2,210.58 = 938.83 : x
2. Step 2: Convert to fraction form
   1,601.71/2,210.58 = 938.83/x
3. Step 3: Cross multiply
   1,601.71x = 2,210.58 × 938.83
4. Step 4: Simplify right side
   1,601.71x = 2,075,358.82
5. Step 5: Solve for x
   x = 2,075,358.82/1,601.71
6. Step 6: Final answer
   x = 1,295.71