Finding the Fourth Proportional to 2,262.68, 3,385.47 and 1,528.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,262.68 : 3,385.47 = 1,528.62 : x
2. Step 2: Convert to fraction form
   2,262.68/3,385.47 = 1,528.62/x
3. Step 3: Cross multiply
   2,262.68x = 3,385.47 × 1,528.62
4. Step 4: Simplify right side
   2,262.68x = 5,175,097.15
5. Step 5: Solve for x
   x = 5,175,097.15/2,262.68
6. Step 6: Final answer
   x = 2,287.15