Finding the Fourth Proportional to 2,561.74, 3,840.38 and 1,101.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,561.74 : 3,840.38 = 1,101.84 : x
2. Step 2: Convert to fraction form
   2,561.74/3,840.38 = 1,101.84/x
3. Step 3: Cross multiply
   2,561.74x = 3,840.38 × 1,101.84
4. Step 4: Simplify right side
   2,561.74x = 4,231,484.30
5. Step 5: Solve for x
   x = 4,231,484.30/2,561.74
6. Step 6: Final answer
   x = 1,651.80