Finding the Fourth Proportional to 7,314.72, 10,973.22 and 3,155.91

Step by Step Solution

1. Step 1: Write the proportion equation
   7,314.72 : 10,973.22 = 3,155.91 : x
2. Step 2: Convert to fraction form
   7,314.72/10,973.22 = 3,155.91/x
3. Step 3: Cross multiply
   7,314.72x = 10,973.22 × 3,155.91
4. Step 4: Simplify right side
   7,314.72x = 34,630,494.73
5. Step 5: Solve for x
   x = 34,630,494.73/7,314.72
6. Step 6: Final answer
   x = 4,734.36