Finding the Fourth Proportional to 1,350.78, 2,025.41 and 528.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,350.78 : 2,025.41 = 528.83 : x
2. Step 2: Convert to fraction form
   1,350.78/2,025.41 = 528.83/x
3. Step 3: Cross multiply
   1,350.78x = 2,025.41 × 528.83
4. Step 4: Simplify right side
   1,350.78x = 1,071,092.39
5. Step 5: Solve for x
   x = 1,071,092.39/1,350.78
6. Step 6: Final answer
   x = 792.95