Finding the Fourth Proportional to 1,685.00, 2,325.32 and 976.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,685.00 : 2,325.32 = 976.89 : x
2. Step 2: Convert to fraction form
   1,685.00/2,325.32 = 976.89/x
3. Step 3: Cross multiply
   1,685.00x = 2,325.32 × 976.89
4. Step 4: Simplify right side
   1,685.00x = 2,271,584.30
5. Step 5: Solve for x
   x = 2,271,584.30/1,685.00
6. Step 6: Final answer
   x = 1,348.13