Finding the Fourth Proportional to 4,727.16, 7,086.69 and 1,807.52

Step by Step Solution

1. Step 1: Write the proportion equation
   4,727.16 : 7,086.69 = 1,807.52 : x
2. Step 2: Convert to fraction form
   4,727.16/7,086.69 = 1,807.52/x
3. Step 3: Cross multiply
   4,727.16x = 7,086.69 × 1,807.52
4. Step 4: Simplify right side
   4,727.16x = 12,809,298.48
5. Step 5: Solve for x
   x = 12,809,298.48/4,727.16
6. Step 6: Final answer
   x = 2,709.72