Finding the Fourth Proportional to 3,785.42, 5,677.29 and 1,011.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,785.42 : 5,677.29 = 1,011.88 : x
2. Step 2: Convert to fraction form
   3,785.42/5,677.29 = 1,011.88/x
3. Step 3: Cross multiply
   3,785.42x = 5,677.29 × 1,011.88
4. Step 4: Simplify right side
   3,785.42x = 5,744,711.37
5. Step 5: Solve for x
   x = 5,744,711.37/3,785.42
6. Step 6: Final answer
   x = 1,517.59