Finding the Fourth Proportional to 2,069.15, 3,104.93 and 1,903.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,069.15 : 3,104.93 = 1,903.91 : x
2. Step 2: Convert to fraction form
   2,069.15/3,104.93 = 1,903.91/x
3. Step 3: Cross multiply
   2,069.15x = 3,104.93 × 1,903.91
4. Step 4: Simplify right side
   2,069.15x = 5,911,496.51
5. Step 5: Solve for x
   x = 5,911,496.51/2,069.15
6. Step 6: Final answer
   x = 2,856.98