Finding the Fourth Proportional to 3,156.34, 4,354.98 and 2,079.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,156.34 : 4,354.98 = 2,079.50 : x
2. Step 2: Convert to fraction form
   3,156.34/4,354.98 = 2,079.50/x
3. Step 3: Cross multiply
   3,156.34x = 4,354.98 × 2,079.50
4. Step 4: Simplify right side
   3,156.34x = 9,056,180.91
5. Step 5: Solve for x
   x = 9,056,180.91/3,156.34
6. Step 6: Final answer
   x = 2,869.20