Finding the Fourth Proportional to 3,785.51, 5,681.91 and 3,546.76

Step by Step Solution

1. Step 1: Write the proportion equation
   3,785.51 : 5,681.91 = 3,546.76 : x
2. Step 2: Convert to fraction form
   3,785.51/5,681.91 = 3,546.76/x
3. Step 3: Cross multiply
   3,785.51x = 5,681.91 × 3,546.76
4. Step 4: Simplify right side
   3,785.51x = 20,152,371.11
5. Step 5: Solve for x
   x = 20,152,371.11/3,785.51
6. Step 6: Final answer
   x = 5,323.56