Finding the Fourth Proportional to 23,095.60, 31,867.81 and 13,401.50

Step by Step Solution

1. Step 1: Write the proportion equation
   23,095.60 : 31,867.81 = 13,401.50 : x
2. Step 2: Convert to fraction form
   23,095.60/31,867.81 = 13,401.50/x
3. Step 3: Cross multiply
   23,095.60x = 31,867.81 × 13,401.50
4. Step 4: Simplify right side
   23,095.60x = 427,076,262.87
5. Step 5: Solve for x
   x = 427,076,262.87/23,095.60
6. Step 6: Final answer
   x = 18,491.67