Finding the Fourth Proportional to 3,980.50, 5,492.67 and 2,301.76

Step by Step Solution

1. Step 1: Write the proportion equation
   3,980.50 : 5,492.67 = 2,301.76 : x
2. Step 2: Convert to fraction form
   3,980.50/5,492.67 = 2,301.76/x
3. Step 3: Cross multiply
   3,980.50x = 5,492.67 × 2,301.76
4. Step 4: Simplify right side
   3,980.50x = 12,642,808.10
5. Step 5: Solve for x
   x = 12,642,808.10/3,980.50
6. Step 6: Final answer
   x = 3,176.19