Finding the Fourth Proportional to 2,088.78, 3,133.69 and 627.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,088.78 : 3,133.69 = 627.93 : x
2. Step 2: Convert to fraction form
   2,088.78/3,133.69 = 627.93/x
3. Step 3: Cross multiply
   2,088.78x = 3,133.69 × 627.93
4. Step 4: Simplify right side
   2,088.78x = 1,967,737.96
5. Step 5: Solve for x
   x = 1,967,737.96/2,088.78
6. Step 6: Final answer
   x = 942.05