Finding the Fourth Proportional to 6,279.34, 9,418.52 and 3,156.16

Step by Step Solution

1. Step 1: Write the proportion equation
   6,279.34 : 9,418.52 = 3,156.16 : x
2. Step 2: Convert to fraction form
   6,279.34/9,418.52 = 3,156.16/x
3. Step 3: Cross multiply
   6,279.34x = 9,418.52 × 3,156.16
4. Step 4: Simplify right side
   6,279.34x = 29,726,340.30
5. Step 5: Solve for x
   x = 29,726,340.30/6,279.34
6. Step 6: Final answer
   x = 4,733.99