Finding the Fourth Proportional to 2,457.83, 3,700.60 and 2,167.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,457.83 : 3,700.60 = 2,167.20 : x
2. Step 2: Convert to fraction form
   2,457.83/3,700.60 = 2,167.20/x
3. Step 3: Cross multiply
   2,457.83x = 3,700.60 × 2,167.20
4. Step 4: Simplify right side
   2,457.83x = 8,019,910.98
5. Step 5: Solve for x
   x = 8,019,910.98/2,457.83
6. Step 6: Final answer
   x = 3,263.01