Finding the Fourth Proportional to 2,321.23, 3,480.98 and 934.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,321.23 : 3,480.98 = 934.10 : x
2. Step 2: Convert to fraction form
   2,321.23/3,480.98 = 934.10/x
3. Step 3: Cross multiply
   2,321.23x = 3,480.98 × 934.10
4. Step 4: Simplify right side
   2,321.23x = 3,251,561.34
5. Step 5: Solve for x
   x = 3,251,561.34/2,321.23
6. Step 6: Final answer
   x = 1,400.79