Finding the Fourth Proportional to 2,740.50, 3,781.89 and 1,913.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,740.50 : 3,781.89 = 1,913.94 : x
2. Step 2: Convert to fraction form
   2,740.50/3,781.89 = 1,913.94/x
3. Step 3: Cross multiply
   2,740.50x = 3,781.89 × 1,913.94
4. Step 4: Simplify right side
   2,740.50x = 7,238,310.55
5. Step 5: Solve for x
   x = 7,238,310.55/2,740.50
6. Step 6: Final answer
   x = 2,641.24