Finding the Fourth Proportional to 5,185.08, 7,155.42 and 2,946.96

Step by Step Solution

1. Step 1: Write the proportion equation
   5,185.08 : 7,155.42 = 2,946.96 : x
2. Step 2: Convert to fraction form
   5,185.08/7,155.42 = 2,946.96/x
3. Step 3: Cross multiply
   5,185.08x = 7,155.42 × 2,946.96
4. Step 4: Simplify right side
   5,185.08x = 21,086,736.52
5. Step 5: Solve for x
   x = 21,086,736.52/5,185.08
6. Step 6: Final answer
   x = 4,066.81