Finding the Fourth Proportional to 31,516.83, 43,491.15 and 17,369.64

Step by Step Solution

1. Step 1: Write the proportion equation
   31,516.83 : 43,491.15 = 17,369.64 : x
2. Step 2: Convert to fraction form
   31,516.83/43,491.15 = 17,369.64/x
3. Step 3: Cross multiply
   31,516.83x = 43,491.15 × 17,369.64
4. Step 4: Simplify right side
   31,516.83x = 755,425,618.69
5. Step 5: Solve for x
   x = 755,425,618.69/31,516.83
6. Step 6: Final answer
   x = 23,968.96