Finding the Fourth Proportional to 3,386.29, 5,074.82 and 2,070.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,386.29 : 5,074.82 = 2,070.50 : x
2. Step 2: Convert to fraction form
   3,386.29/5,074.82 = 2,070.50/x
3. Step 3: Cross multiply
   3,386.29x = 5,074.82 × 2,070.50
4. Step 4: Simplify right side
   3,386.29x = 10,507,404.46
5. Step 5: Solve for x
   x = 10,507,404.46/3,386.29
6. Step 6: Final answer
   x = 3,102.93