Finding the Fourth Proportional to 23,915.46, 32,999.61 and 13,305.06

Step by Step Solution

1. Step 1: Write the proportion equation
   23,915.46 : 32,999.61 = 13,305.06 : x
2. Step 2: Convert to fraction form
   23,915.46/32,999.61 = 13,305.06/x
3. Step 3: Cross multiply
   23,915.46x = 32,999.61 × 13,305.06
4. Step 4: Simplify right side
   23,915.46x = 439,061,791.03
5. Step 5: Solve for x
   x = 439,061,791.03/23,915.46
6. Step 6: Final answer
   x = 18,358.91