Finding the Fourth Proportional to 7,084.72, 9,776.72 and 4,100.60

Step by Step Solution

1. Step 1: Write the proportion equation
   7,084.72 : 9,776.72 = 4,100.60 : x
2. Step 2: Convert to fraction form
   7,084.72/9,776.72 = 4,100.60/x
3. Step 3: Cross multiply
   7,084.72x = 9,776.72 × 4,100.60
4. Step 4: Simplify right side
   7,084.72x = 40,090,418.03
5. Step 5: Solve for x
   x = 40,090,418.03/7,084.72
6. Step 6: Final answer
   x = 5,658.72