Finding the Fourth Proportional to 2,606.69, 3,904.55 and 1,903.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,606.69 : 3,904.55 = 1,903.43 : x
2. Step 2: Convert to fraction form
   2,606.69/3,904.55 = 1,903.43/x
3. Step 3: Cross multiply
   2,606.69x = 3,904.55 × 1,903.43
4. Step 4: Simplify right side
   2,606.69x = 7,432,008.57
5. Step 5: Solve for x
   x = 7,432,008.57/2,606.69
6. Step 6: Final answer
   x = 2,851.13