Finding the Fourth Proportional to 23,052.50, 31,812.14 and 12,981.93

Step by Step Solution

1. Step 1: Write the proportion equation
   23,052.50 : 31,812.14 = 12,981.93 : x
2. Step 2: Convert to fraction form
   23,052.50/31,812.14 = 12,981.93/x
3. Step 3: Cross multiply
   23,052.50x = 31,812.14 × 12,981.93
4. Step 4: Simplify right side
   23,052.50x = 412,982,909.72
5. Step 5: Solve for x
   x = 412,982,909.72/23,052.50
6. Step 6: Final answer
   x = 17,914.89