Finding the Fourth Proportional to 23,906.50, 32,990.97 and 13,970.50

Step by Step Solution

1. Step 1: Write the proportion equation
   23,906.50 : 32,990.97 = 13,970.50 : x
2. Step 2: Convert to fraction form
   23,906.50/32,990.97 = 13,970.50/x
3. Step 3: Cross multiply
   23,906.50x = 32,990.97 × 13,970.50
4. Step 4: Simplify right side
   23,906.50x = 460,900,346.39
5. Step 5: Solve for x
   x = 460,900,346.39/23,906.50
6. Step 6: Final answer
   x = 19,279.29