Finding the Fourth Proportional to 3,360.61, 5,046.38 and 2,070.28

Step by Step Solution

1. Step 1: Write the proportion equation
   3,360.61 : 5,046.38 = 2,070.28 : x
2. Step 2: Convert to fraction form
   3,360.61/5,046.38 = 2,070.28/x
3. Step 3: Cross multiply
   3,360.61x = 5,046.38 × 2,070.28
4. Step 4: Simplify right side
   3,360.61x = 10,447,419.59
5. Step 5: Solve for x
   x = 10,447,419.59/3,360.61
6. Step 6: Final answer
   x = 3,108.79