Finding the Fourth Proportional to 3,645.06, 5,030.20 and 2,073.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,645.06 : 5,030.20 = 2,073.12 : x
2. Step 2: Convert to fraction form
   3,645.06/5,030.20 = 2,073.12/x
3. Step 3: Cross multiply
   3,645.06x = 5,030.20 × 2,073.12
4. Step 4: Simplify right side
   3,645.06x = 10,428,208.22
5. Step 5: Solve for x
   x = 10,428,208.22/3,645.06
6. Step 6: Final answer
   x = 2,860.92