Finding the Fourth Proportional to 23,060.07, 31,615.32 and 22,639.69

Step by Step Solution

1. Step 1: Write the proportion equation
   23,060.07 : 31,615.32 = 22,639.69 : x
2. Step 2: Convert to fraction form
   23,060.07/31,615.32 = 22,639.69/x
3. Step 3: Cross multiply
   23,060.07x = 31,615.32 × 22,639.69
4. Step 4: Simplify right side
   23,060.07x = 715,760,993.31
5. Step 5: Solve for x
   x = 715,760,993.31/23,060.07
6. Step 6: Final answer
   x = 31,038.98