Finding the Fourth Proportional to 3,645.67, 5,031.06 and 2,073.86

Step by Step Solution

1. Step 1: Write the proportion equation
   3,645.67 : 5,031.06 = 2,073.86 : x
2. Step 2: Convert to fraction form
   3,645.67/5,031.06 = 2,073.86/x
3. Step 3: Cross multiply
   3,645.67x = 5,031.06 × 2,073.86
4. Step 4: Simplify right side
   3,645.67x = 10,433,728.33
5. Step 5: Solve for x
   x = 10,433,728.33/3,645.67
6. Step 6: Final answer
   x = 2,861.95