Finding the Fourth Proportional to 23,955.68, 33,056.72 and 13,345.10

Step by Step Solution

1. Step 1: Write the proportion equation
   23,955.68 : 33,056.72 = 13,345.10 : x
2. Step 2: Convert to fraction form
   23,955.68/33,056.72 = 13,345.10/x
3. Step 3: Cross multiply
   23,955.68x = 33,056.72 × 13,345.10
4. Step 4: Simplify right side
   23,955.68x = 441,145,234.07
5. Step 5: Solve for x
   x = 441,145,234.07/23,955.68
6. Step 6: Final answer
   x = 18,415.06