Finding the Fourth Proportional to 1,804.34, 2,705.94 and 938.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,804.34 : 2,705.94 = 938.18 : x
2. Step 2: Convert to fraction form
   1,804.34/2,705.94 = 938.18/x
3. Step 3: Cross multiply
   1,804.34x = 2,705.94 × 938.18
4. Step 4: Simplify right side
   1,804.34x = 2,538,658.79
5. Step 5: Solve for x
   x = 2,538,658.79/1,804.34
6. Step 6: Final answer
   x = 1,406.97