Finding the Fourth Proportional to 2,781.95, 4,168.71 and 1,137.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,781.95 : 4,168.71 = 1,137.56 : x
2. Step 2: Convert to fraction form
   2,781.95/4,168.71 = 1,137.56/x
3. Step 3: Cross multiply
   2,781.95x = 4,168.71 × 1,137.56
4. Step 4: Simplify right side
   2,781.95x = 4,742,136.90
5. Step 5: Solve for x
   x = 4,742,136.90/2,781.95
6. Step 6: Final answer
   x = 1,704.61