Finding the Fourth Proportional to 2,707.17, 3,735.53 and 1,528.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,707.17 : 3,735.53 = 1,528.05 : x
2. Step 2: Convert to fraction form
   2,707.17/3,735.53 = 1,528.05/x
3. Step 3: Cross multiply
   2,707.17x = 3,735.53 × 1,528.05
4. Step 4: Simplify right side
   2,707.17x = 5,708,068.98
5. Step 5: Solve for x
   x = 5,708,068.98/2,707.17
6. Step 6: Final answer
   x = 2,108.50