Finding the Fourth Proportional to 31,030.18, 42,821.73 and 16,883.02

Step by Step Solution

1. Step 1: Write the proportion equation
   31,030.18 : 42,821.73 = 16,883.02 : x
2. Step 2: Convert to fraction form
   31,030.18/42,821.73 = 16,883.02/x
3. Step 3: Cross multiply
   31,030.18x = 42,821.73 × 16,883.02
4. Step 4: Simplify right side
   31,030.18x = 722,960,177.55
5. Step 5: Solve for x
   x = 722,960,177.55/31,030.18
6. Step 6: Final answer
   x = 23,298.62