Finding the Fourth Proportional to 4,980.58, 7,471.69 and 1,861.67

Step by Step Solution

1. Step 1: Write the proportion equation
   4,980.58 : 7,471.69 = 1,861.67 : x
2. Step 2: Convert to fraction form
   4,980.58/7,471.69 = 1,861.67/x
3. Step 3: Cross multiply
   4,980.58x = 7,471.69 × 1,861.67
4. Step 4: Simplify right side
   4,980.58x = 13,909,835.15
5. Step 5: Solve for x
   x = 13,909,835.15/4,980.58
6. Step 6: Final answer
   x = 2,792.82