Finding the Fourth Proportional to 31,483.78, 43,447.57 and 17,336.50

Step by Step Solution

1. Step 1: Write the proportion equation
   31,483.78 : 43,447.57 = 17,336.50 : x
2. Step 2: Convert to fraction form
   31,483.78/43,447.57 = 17,336.50/x
3. Step 3: Cross multiply
   31,483.78x = 43,447.57 × 17,336.50
4. Step 4: Simplify right side
   31,483.78x = 753,228,797.31
5. Step 5: Solve for x
   x = 753,228,797.31/31,483.78
6. Step 6: Final answer
   x = 23,924.34