Finding the Fourth Proportional to 3,387.05, 5,068.56 and 2,070.35

Step by Step Solution

1. Step 1: Write the proportion equation
   3,387.05 : 5,068.56 = 2,070.35 : x
2. Step 2: Convert to fraction form
   3,387.05/5,068.56 = 2,070.35/x
3. Step 3: Cross multiply
   3,387.05x = 5,068.56 × 2,070.35
4. Step 4: Simplify right side
   3,387.05x = 10,493,693.20
5. Step 5: Solve for x
   x = 10,493,693.20/3,387.05
6. Step 6: Final answer
   x = 3,098.18