Finding the Fourth Proportional to 23,076.40, 31,845.56 and 13,005.00

Step by Step Solution

1. Step 1: Write the proportion equation
   23,076.40 : 31,845.56 = 13,005.00 : x
2. Step 2: Convert to fraction form
   23,076.40/31,845.56 = 13,005.00/x
3. Step 3: Cross multiply
   23,076.40x = 31,845.56 × 13,005.00
4. Step 4: Simplify right side
   23,076.40x = 414,151,283.55
5. Step 5: Solve for x
   x = 414,151,283.55/23,076.40
6. Step 6: Final answer
   x = 17,946.96