Finding the Fourth Proportional to 3,572.93, 4,931.15 and 2,081.67

Step by Step Solution

1. Step 1: Write the proportion equation
   3,572.93 : 4,931.15 = 2,081.67 : x
2. Step 2: Convert to fraction form
   3,572.93/4,931.15 = 2,081.67/x
3. Step 3: Cross multiply
   3,572.93x = 4,931.15 × 2,081.67
4. Step 4: Simplify right side
   3,572.93x = 10,265,016.61
5. Step 5: Solve for x
   x = 10,265,016.61/3,572.93
6. Step 6: Final answer
   x = 2,873.00