Finding the Fourth Proportional to 23,090.59, 31,865.37 and 13,019.52

Step by Step Solution

1. Step 1: Write the proportion equation
   23,090.59 : 31,865.37 = 13,019.52 : x
2. Step 2: Convert to fraction form
   23,090.59/31,865.37 = 13,019.52/x
3. Step 3: Cross multiply
   23,090.59x = 31,865.37 × 13,019.52
4. Step 4: Simplify right side
   23,090.59x = 414,871,892.69
5. Step 5: Solve for x
   x = 414,871,892.69/23,090.59
6. Step 6: Final answer
   x = 17,967.14