Finding the Fourth Proportional to 31,050.73, 42,848.49 and 17,623.23

Step by Step Solution

1. Step 1: Write the proportion equation
   31,050.73 : 42,848.49 = 17,623.23 : x
2. Step 2: Convert to fraction form
   31,050.73/42,848.49 = 17,623.23/x
3. Step 3: Cross multiply
   31,050.73x = 42,848.49 × 17,623.23
4. Step 4: Simplify right side
   31,050.73x = 755,128,794.42
5. Step 5: Solve for x
   x = 755,128,794.42/31,050.73
6. Step 6: Final answer
   x = 24,319.20