Finding the Fourth Proportional to 2,495.55, 3,742.82 and 1,261.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,495.55 : 3,742.82 = 1,261.79 : x
2. Step 2: Convert to fraction form
   2,495.55/3,742.82 = 1,261.79/x
3. Step 3: Cross multiply
   2,495.55x = 3,742.82 × 1,261.79
4. Step 4: Simplify right side
   2,495.55x = 4,722,627.82
5. Step 5: Solve for x
   x = 4,722,627.82/2,495.55
6. Step 6: Final answer
   x = 1,892.42