Finding the Fourth Proportional to 3,785.52, 5,677.56 and 1,012.32

Step by Step Solution

1. Step 1: Write the proportion equation
   3,785.52 : 5,677.56 = 1,012.32 : x
2. Step 2: Convert to fraction form
   3,785.52/5,677.56 = 1,012.32/x
3. Step 3: Cross multiply
   3,785.52x = 5,677.56 × 1,012.32
4. Step 4: Simplify right side
   3,785.52x = 5,747,507.54
5. Step 5: Solve for x
   x = 5,747,507.54/3,785.52
6. Step 6: Final answer
   x = 1,518.29