Finding the Fourth Proportional to 7,788.22, 10,734.94 and 5,520.32

Step by Step Solution

1. Step 1: Write the proportion equation
   7,788.22 : 10,734.94 = 5,520.32 : x
2. Step 2: Convert to fraction form
   7,788.22/10,734.94 = 5,520.32/x
3. Step 3: Cross multiply
   7,788.22x = 10,734.94 × 5,520.32
4. Step 4: Simplify right side
   7,788.22x = 59,260,303.98
5. Step 5: Solve for x
   x = 59,260,303.98/7,788.22
6. Step 6: Final answer
   x = 7,608.97