Finding the Fourth Proportional to 2,740.42, 3,781.62 and 1,561.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,740.42 : 3,781.62 = 1,561.48 : x
2. Step 2: Convert to fraction form
   2,740.42/3,781.62 = 1,561.48/x
3. Step 3: Cross multiply
   2,740.42x = 3,781.62 × 1,561.48
4. Step 4: Simplify right side
   2,740.42x = 5,904,924.00
5. Step 5: Solve for x
   x = 5,904,924.00/2,740.42
6. Step 6: Final answer
   x = 2,154.75