Finding the Fourth Proportional to 9,288.58, 13,936.52 and 4,090.81

Step by Step Solution

1. Step 1: Write the proportion equation
   9,288.58 : 13,936.52 = 4,090.81 : x
2. Step 2: Convert to fraction form
   9,288.58/13,936.52 = 4,090.81/x
3. Step 3: Cross multiply
   9,288.58x = 13,936.52 × 4,090.81
4. Step 4: Simplify right side
   9,288.58x = 57,011,655.38
5. Step 5: Solve for x
   x = 57,011,655.38/9,288.58
6. Step 6: Final answer
   x = 6,137.82