Finding the Fourth Proportional to 23,129.82, 31,921.25 and 13,060.73

Step by Step Solution

1. Step 1: Write the proportion equation
   23,129.82 : 31,921.25 = 13,060.73 : x
2. Step 2: Convert to fraction form
   23,129.82/31,921.25 = 13,060.73/x
3. Step 3: Cross multiply
   23,129.82x = 31,921.25 × 13,060.73
4. Step 4: Simplify right side
   23,129.82x = 416,914,827.51
5. Step 5: Solve for x
   x = 416,914,827.51/23,129.82
6. Step 6: Final answer
   x = 18,024.99