Finding the Fourth Proportional to 3,399.98, 5,100.02 and 934.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,399.98 : 5,100.02 = 934.78 : x
2. Step 2: Convert to fraction form
   3,399.98/5,100.02 = 934.78/x
3. Step 3: Cross multiply
   3,399.98x = 5,100.02 × 934.78
4. Step 4: Simplify right side
   3,399.98x = 4,767,386.28
5. Step 5: Solve for x
   x = 4,767,386.28/3,399.98
6. Step 6: Final answer
   x = 1,402.18