Finding the Fourth Proportional to 3,145.14, 4,718.29 and 1,036.89

Step by Step Solution

1. Step 1: Write the proportion equation
   3,145.14 : 4,718.29 = 1,036.89 : x
2. Step 2: Convert to fraction form
   3,145.14/4,718.29 = 1,036.89/x
3. Step 3: Cross multiply
   3,145.14x = 4,718.29 × 1,036.89
4. Step 4: Simplify right side
   3,145.14x = 4,892,347.72
5. Step 5: Solve for x
   x = 4,892,347.72/3,145.14
6. Step 6: Final answer
   x = 1,555.53