Finding the Fourth Proportional to 7,880.10, 10,876.77 and 5,522.82

Step by Step Solution

1. Step 1: Write the proportion equation
   7,880.10 : 10,876.77 = 5,522.82 : x
2. Step 2: Convert to fraction form
   7,880.10/10,876.77 = 5,522.82/x
3. Step 3: Cross multiply
   7,880.10x = 10,876.77 × 5,522.82
4. Step 4: Simplify right side
   7,880.10x = 60,070,442.89
5. Step 5: Solve for x
   x = 60,070,442.89/7,880.10
6. Step 6: Final answer
   x = 7,623.06