Finding the Fourth Proportional to 31,030.48, 42,822.39 and 16,883.34

Step by Step Solution

1. Step 1: Write the proportion equation
   31,030.48 : 42,822.39 = 16,883.34 : x
2. Step 2: Convert to fraction form
   31,030.48/42,822.39 = 16,883.34/x
3. Step 3: Cross multiply
   31,030.48x = 42,822.39 × 16,883.34
4. Step 4: Simplify right side
   31,030.48x = 722,984,969.98
5. Step 5: Solve for x
   x = 722,984,969.98/31,030.48
6. Step 6: Final answer
   x = 23,299.19