Finding the Fourth Proportional to 23,719.06, 32,729.52 and 13,108.78

Step by Step Solution

1. Step 1: Write the proportion equation
   23,719.06 : 32,729.52 = 13,108.78 : x
2. Step 2: Convert to fraction form
   23,719.06/32,729.52 = 13,108.78/x
3. Step 3: Cross multiply
   23,719.06x = 32,729.52 × 13,108.78
4. Step 4: Simplify right side
   23,719.06x = 429,044,077.19
5. Step 5: Solve for x
   x = 429,044,077.19/23,719.06
6. Step 6: Final answer
   x = 18,088.58