Finding the Fourth Proportional to 23,076.90, 31,846.25 and 13,005.50

Step by Step Solution

1. Step 1: Write the proportion equation
   23,076.90 : 31,846.25 = 13,005.50 : x
2. Step 2: Convert to fraction form
   23,076.90/31,846.25 = 13,005.50/x
3. Step 3: Cross multiply
   23,076.90x = 31,846.25 × 13,005.50
4. Step 4: Simplify right side
   23,076.90x = 414,176,180.12
5. Step 5: Solve for x
   x = 414,176,180.12/23,076.90
6. Step 6: Final answer
   x = 17,947.65