Finding the Fourth Proportional to 13,850.00, 20,785.90 and 5,087.42

Step by Step Solution

1. Step 1: Write the proportion equation
   13,850.00 : 20,785.90 = 5,087.42 : x
2. Step 2: Convert to fraction form
   13,850.00/20,785.90 = 5,087.42/x
3. Step 3: Cross multiply
   13,850.00x = 20,785.90 × 5,087.42
4. Step 4: Simplify right side
   13,850.00x = 105,746,486.73
5. Step 5: Solve for x
   x = 105,746,486.73/13,850.00
6. Step 6: Final answer
   x = 7,635.13