Finding the Fourth Proportional to 1,116.87, 1,541.53 and 743.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,116.87 : 1,541.53 = 743.86 : x
2. Step 2: Convert to fraction form
   1,116.87/1,541.53 = 743.86/x
3. Step 3: Cross multiply
   1,116.87x = 1,541.53 × 743.86
4. Step 4: Simplify right side
   1,116.87x = 1,146,682.51
5. Step 5: Solve for x
   x = 1,146,682.51/1,116.87
6. Step 6: Final answer
   x = 1,026.69