Finding the Fourth Proportional to 31,092.68, 42,906.52 and 16,945.48

Step by Step Solution

1. Step 1: Write the proportion equation
   31,092.68 : 42,906.52 = 16,945.48 : x
2. Step 2: Convert to fraction form
   31,092.68/42,906.52 = 16,945.48/x
3. Step 3: Cross multiply
   31,092.68x = 42,906.52 × 16,945.48
4. Step 4: Simplify right side
   31,092.68x = 727,071,576.53
5. Step 5: Solve for x
   x = 727,071,576.53/31,092.68
6. Step 6: Final answer
   x = 23,384.01