Finding the Fourth Proportional to 3,785.00, 5,681.62 and 2,870.55

Step by Step Solution

1. Step 1: Write the proportion equation
   3,785.00 : 5,681.62 = 2,870.55 : x
2. Step 2: Convert to fraction form
   3,785.00/5,681.62 = 2,870.55/x
3. Step 3: Cross multiply
   3,785.00x = 5,681.62 × 2,870.55
4. Step 4: Simplify right side
   3,785.00x = 16,309,359.94
5. Step 5: Solve for x
   x = 16,309,359.94/3,785.00
6. Step 6: Final answer
   x = 4,308.95