Finding the Fourth Proportional to 1,528.05, 2,293.58 and 1,465.68

Step by Step Solution

1. Step 1: Write the proportion equation
   1,528.05 : 2,293.58 = 1,465.68 : x
2. Step 2: Convert to fraction form
   1,528.05/2,293.58 = 1,465.68/x
3. Step 3: Cross multiply
   1,528.05x = 2,293.58 × 1,465.68
4. Step 4: Simplify right side
   1,528.05x = 3,361,647.01
5. Step 5: Solve for x
   x = 3,361,647.01/1,528.05
6. Step 6: Final answer
   x = 2,199.96