Finding the Fourth Proportional to 1,697.10, 2,341.89 and 998.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,697.10 : 2,341.89 = 998.34 : x
2. Step 2: Convert to fraction form
   1,697.10/2,341.89 = 998.34/x
3. Step 3: Cross multiply
   1,697.10x = 2,341.89 × 998.34
4. Step 4: Simplify right side
   1,697.10x = 2,338,002.46
5. Step 5: Solve for x
   x = 2,338,002.46/1,697.10
6. Step 6: Final answer
   x = 1,377.65