Finding the Fourth Proportional to 9,279.06, 13,919.76 and 3,435.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,279.06 : 13,919.76 = 3,435.72 : x
2. Step 2: Convert to fraction form
   9,279.06/13,919.76 = 3,435.72/x
3. Step 3: Cross multiply
   9,279.06x = 13,919.76 × 3,435.72
4. Step 4: Simplify right side
   9,279.06x = 47,824,397.83
5. Step 5: Solve for x
   x = 47,824,397.83/9,279.06
6. Step 6: Final answer
   x = 5,154.01