Finding the Fourth Proportional to 2,405.13, 3,606.35 and 943.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,405.13 : 3,606.35 = 943.89 : x
2. Step 2: Convert to fraction form
   2,405.13/3,606.35 = 943.89/x
3. Step 3: Cross multiply
   2,405.13x = 3,606.35 × 943.89
4. Step 4: Simplify right side
   2,405.13x = 3,403,992.98
5. Step 5: Solve for x
   x = 3,403,992.98/2,405.13
6. Step 6: Final answer
   x = 1,415.31