Finding the Fourth Proportional to 2,288.62, 3,154.71 and 1,914.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,288.62 : 3,154.71 = 1,914.94 : x
2. Step 2: Convert to fraction form
   2,288.62/3,154.71 = 1,914.94/x
3. Step 3: Cross multiply
   2,288.62x = 3,154.71 × 1,914.94
4. Step 4: Simplify right side
   2,288.62x = 6,041,080.37
5. Step 5: Solve for x
   x = 6,041,080.37/2,288.62
6. Step 6: Final answer
   x = 2,639.62