Finding the Fourth Proportional to 23,091.96, 31,865.01 and 13,022.88

Step by Step Solution

1. Step 1: Write the proportion equation
   23,091.96 : 31,865.01 = 13,022.88 : x
2. Step 2: Convert to fraction form
   23,091.96/31,865.01 = 13,022.88/x
3. Step 3: Cross multiply
   23,091.96x = 31,865.01 × 13,022.88
4. Step 4: Simplify right side
   23,091.96x = 414,974,201.43
5. Step 5: Solve for x
   x = 414,974,201.43/23,091.96
6. Step 6: Final answer
   x = 17,970.51