Finding the Fourth Proportional to 23,026.94, 31,777.18 and 13,090.94

Step by Step Solution

1. Step 1: Write the proportion equation
   23,026.94 : 31,777.18 = 13,090.94 : x
2. Step 2: Convert to fraction form
   23,026.94/31,777.18 = 13,090.94/x
3. Step 3: Cross multiply
   23,026.94x = 31,777.18 × 13,090.94
4. Step 4: Simplify right side
   23,026.94x = 415,993,011.85
5. Step 5: Solve for x
   x = 415,993,011.85/23,026.94
6. Step 6: Final answer
   x = 18,065.49