Finding the Fourth Proportional to 3,758.22, 5,186.30 and 2,079.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,758.22 : 5,186.30 = 2,079.50 : x
2. Step 2: Convert to fraction form
   3,758.22/5,186.30 = 2,079.50/x
3. Step 3: Cross multiply
   3,758.22x = 5,186.30 × 2,079.50
4. Step 4: Simplify right side
   3,758.22x = 10,784,900.45
5. Step 5: Solve for x
   x = 10,784,900.45/3,758.22
6. Step 6: Final answer
   x = 2,869.68