Finding the Fourth Proportional to 3,100.53, 4,650.78 and 792.03

Step by Step Solution

1. Step 1: Write the proportion equation
   3,100.53 : 4,650.78 = 792.03 : x
2. Step 2: Convert to fraction form
   3,100.53/4,650.78 = 792.03/x
3. Step 3: Cross multiply
   3,100.53x = 4,650.78 × 792.03
4. Step 4: Simplify right side
   3,100.53x = 3,683,557.28
5. Step 5: Solve for x
   x = 3,683,557.28/3,100.53
6. Step 6: Final answer
   x = 1,188.04