Finding the Fourth Proportional to 6,461.10, 8,928.42 and 5,503.50

Step by Step Solution

1. Step 1: Write the proportion equation
   6,461.10 : 8,928.42 = 5,503.50 : x
2. Step 2: Convert to fraction form
   6,461.10/8,928.42 = 5,503.50/x
3. Step 3: Cross multiply
   6,461.10x = 8,928.42 × 5,503.50
4. Step 4: Simplify right side
   6,461.10x = 49,137,559.47
5. Step 5: Solve for x
   x = 49,137,559.47/6,461.10
6. Step 6: Final answer
   x = 7,605.14