Finding the Fourth Proportional to 2,425.59, 3,638.37 and 1,936.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,425.59 : 3,638.37 = 1,936.35 : x
2. Step 2: Convert to fraction form
   2,425.59/3,638.37 = 1,936.35/x
3. Step 3: Cross multiply
   2,425.59x = 3,638.37 × 1,936.35
4. Step 4: Simplify right side
   2,425.59x = 7,045,157.75
5. Step 5: Solve for x
   x = 7,045,157.75/2,425.59
6. Step 6: Final answer
   x = 2,904.51