Finding the Fourth Proportional to 3,642.21, 5,025.98 and 2,070

Step by Step Solution

1. Step 1: Write the proportion equation
   3,642.21 : 5,025.98 = 2,070 : x
2. Step 2: Convert to fraction form
   3,642.21/5,025.98 = 2,070/x
3. Step 3: Cross multiply
   3,642.21x = 5,025.98 × 2,070
4. Step 4: Simplify right side
   3,642.21x = 10,403,783.78
5. Step 5: Solve for x
   x = 10,403,783.78/3,642.21
6. Step 6: Final answer
   x = 2,856.45