Finding the Fourth Proportional to 3,645.39, 5,030.43 and 2,073.38

Step by Step Solution

1. Step 1: Write the proportion equation
   3,645.39 : 5,030.43 = 2,073.38 : x
2. Step 2: Convert to fraction form
   3,645.39/5,030.43 = 2,073.38/x
3. Step 3: Cross multiply
   3,645.39x = 5,030.43 × 2,073.38
4. Step 4: Simplify right side
   3,645.39x = 10,429,967.80
5. Step 5: Solve for x
   x = 10,429,967.80/3,645.39
6. Step 6: Final answer
   x = 2,861.14