Finding the Fourth Proportional to 23,059.13, 31,823.86 and 13,498.44

Step by Step Solution

1. Step 1: Write the proportion equation
   23,059.13 : 31,823.86 = 13,498.44 : x
2. Step 2: Convert to fraction form
   23,059.13/31,823.86 = 13,498.44/x
3. Step 3: Cross multiply
   23,059.13x = 31,823.86 × 13,498.44
4. Step 4: Simplify right side
   23,059.13x = 429,572,464.78
5. Step 5: Solve for x
   x = 429,572,464.78/23,059.13
6. Step 6: Final answer
   x = 18,629.17