Finding the Fourth Proportional to 2,446.23, 3,670.25 and 985.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,446.23 : 3,670.25 = 985.80 : x
2. Step 2: Convert to fraction form
   2,446.23/3,670.25 = 985.80/x
3. Step 3: Cross multiply
   2,446.23x = 3,670.25 × 985.80
4. Step 4: Simplify right side
   2,446.23x = 3,618,127.52
5. Step 5: Solve for x
   x = 3,618,127.52/2,446.23
6. Step 6: Final answer
   x = 1,479.06