Finding the Fourth Proportional to 3,645.72, 5,030.90 and 2,073.96

Step by Step Solution

1. Step 1: Write the proportion equation
   3,645.72 : 5,030.90 = 2,073.96 : x
2. Step 2: Convert to fraction form
   3,645.72/5,030.90 = 2,073.96/x
3. Step 3: Cross multiply
   3,645.72x = 5,030.90 × 2,073.96
4. Step 4: Simplify right side
   3,645.72x = 10,433,885.36
5. Step 5: Solve for x
   x = 10,433,885.36/3,645.72
6. Step 6: Final answer
   x = 2,861.95