Finding the Fourth Proportional to 2,518.17, 3,777.03 and 1,131.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,518.17 : 3,777.03 = 1,131.57 : x
2. Step 2: Convert to fraction form
   2,518.17/3,777.03 = 1,131.57/x
3. Step 3: Cross multiply
   2,518.17x = 3,777.03 × 1,131.57
4. Step 4: Simplify right side
   2,518.17x = 4,273,973.84
5. Step 5: Solve for x
   x = 4,273,973.84/2,518.17
6. Step 6: Final answer
   x = 1,697.25