Finding the Fourth Proportional to 23,014.32, 31,760.91 and 12,945.93

Step by Step Solution

1. Step 1: Write the proportion equation
   23,014.32 : 31,760.91 = 12,945.93 : x
2. Step 2: Convert to fraction form
   23,014.32/31,760.91 = 12,945.93/x
3. Step 3: Cross multiply
   23,014.32x = 31,760.91 × 12,945.93
4. Step 4: Simplify right side
   23,014.32x = 411,174,517.60
5. Step 5: Solve for x
   x = 411,174,517.60/23,014.32
6. Step 6: Final answer
   x = 17,866.03