Finding the Fourth Proportional to 9,090.82, 13,618.41 and 4,711.15

Step by Step Solution

1. Step 1: Write the proportion equation
   9,090.82 : 13,618.41 = 4,711.15 : x
2. Step 2: Convert to fraction form
   9,090.82/13,618.41 = 4,711.15/x
3. Step 3: Cross multiply
   9,090.82x = 13,618.41 × 4,711.15
4. Step 4: Simplify right side
   9,090.82x = 64,158,372.27
5. Step 5: Solve for x
   x = 64,158,372.27/9,090.82
6. Step 6: Final answer
   x = 7,057.49