Finding the Fourth Proportional to 23,059.79, 31,829.57 and 13,501.92

Step by Step Solution

1. Step 1: Write the proportion equation
   23,059.79 : 31,829.57 = 13,501.92 : x
2. Step 2: Convert to fraction form
   23,059.79/31,829.57 = 13,501.92/x
3. Step 3: Cross multiply
   23,059.79x = 31,829.57 × 13,501.92
4. Step 4: Simplify right side
   23,059.79x = 429,760,307.77
5. Step 5: Solve for x
   x = 429,760,307.77/23,059.79
6. Step 6: Final answer
   x = 18,636.78