Finding the Fourth Proportional to 2,039.69, 3,050.18 and 1,520.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,039.69 : 3,050.18 = 1,520.05 : x
2. Step 2: Convert to fraction form
   2,039.69/3,050.18 = 1,520.05/x
3. Step 3: Cross multiply
   2,039.69x = 3,050.18 × 1,520.05
4. Step 4: Simplify right side
   2,039.69x = 4,636,426.11
5. Step 5: Solve for x
   x = 4,636,426.11/2,039.69
6. Step 6: Final answer
   x = 2,273.10