Finding the Fourth Proportional to 23,870.14, 32,940.78 and 13,260.76

Step by Step Solution

1. Step 1: Write the proportion equation
   23,870.14 : 32,940.78 = 13,260.76 : x
2. Step 2: Convert to fraction form
   23,870.14/32,940.78 = 13,260.76/x
3. Step 3: Cross multiply
   23,870.14x = 32,940.78 × 13,260.76
4. Step 4: Simplify right side
   23,870.14x = 436,819,777.79
5. Step 5: Solve for x
   x = 436,819,777.79/23,870.14
6. Step 6: Final answer
   x = 18,299.84