Finding the Fourth Proportional to 2,074.32, 3,116.34 and 1,913.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,074.32 : 3,116.34 = 1,913.94 : x
2. Step 2: Convert to fraction form
   2,074.32/3,116.34 = 1,913.94/x
3. Step 3: Cross multiply
   2,074.32x = 3,116.34 × 1,913.94
4. Step 4: Simplify right side
   2,074.32x = 5,964,487.78
5. Step 5: Solve for x
   x = 5,964,487.78/2,074.32
6. Step 6: Final answer
   x = 2,875.39