Finding the Fourth Proportional to 2,406.00, 3,609.68 and 925.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,406.00 : 3,609.68 = 925.90 : x
2. Step 2: Convert to fraction form
   2,406.00/3,609.68 = 925.90/x
3. Step 3: Cross multiply
   2,406.00x = 3,609.68 × 925.90
4. Step 4: Simplify right side
   2,406.00x = 3,342,189.06
5. Step 5: Solve for x
   x = 3,342,189.06/2,406.00
6. Step 6: Final answer
   x = 1,389.11