Finding the Fourth Proportional to 3,645.30, 5,030.52 and 2,073.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,645.30 : 5,030.52 = 2,073.42 : x
2. Step 2: Convert to fraction form
   3,645.30/5,030.52 = 2,073.42/x
3. Step 3: Cross multiply
   3,645.30x = 5,030.52 × 2,073.42
4. Step 4: Simplify right side
   3,645.30x = 10,430,380.78
5. Step 5: Solve for x
   x = 10,430,380.78/3,645.30
6. Step 6: Final answer
   x = 2,861.32