Finding the Fourth Proportional to 2,707.73, 3,736.71 and 1,528.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,707.73 : 3,736.71 = 1,528.57 : x
2. Step 2: Convert to fraction form
   2,707.73/3,736.71 = 1,528.57/x
3. Step 3: Cross multiply
   2,707.73x = 3,736.71 × 1,528.57
4. Step 4: Simplify right side
   2,707.73x = 5,711,813.46
5. Step 5: Solve for x
   x = 5,711,813.46/2,707.73
6. Step 6: Final answer
   x = 2,109.45