Finding the Fourth Proportional to 23,050.41, 31,812.59 and 12,980.82

Step by Step Solution

1. Step 1: Write the proportion equation
   23,050.41 : 31,812.59 = 12,980.82 : x
2. Step 2: Convert to fraction form
   23,050.41/31,812.59 = 12,980.82/x
3. Step 3: Cross multiply
   23,050.41x = 31,812.59 × 12,980.82
4. Step 4: Simplify right side
   23,050.41x = 412,953,504.52
5. Step 5: Solve for x
   x = 412,953,504.52/23,050.41
6. Step 6: Final answer
   x = 17,915.23