Finding the Fourth Proportional to 9,090.33, 12,542.61 and 5,261.37

Step by Step Solution

1. Step 1: Write the proportion equation
   9,090.33 : 12,542.61 = 5,261.37 : x
2. Step 2: Convert to fraction form
   9,090.33/12,542.61 = 5,261.37/x
3. Step 3: Cross multiply
   9,090.33x = 12,542.61 × 5,261.37
4. Step 4: Simplify right side
   9,090.33x = 65,991,340.43
5. Step 5: Solve for x
   x = 65,991,340.43/9,090.33
6. Step 6: Final answer
   x = 7,259.51