Finding the Fourth Proportional to 31,027.34, 42,817.83 and 16,880.18

Step by Step Solution

1. Step 1: Write the proportion equation
   31,027.34 : 42,817.83 = 16,880.18 : x
2. Step 2: Convert to fraction form
   31,027.34/42,817.83 = 16,880.18/x
3. Step 3: Cross multiply
   31,027.34x = 42,817.83 × 16,880.18
4. Step 4: Simplify right side
   31,027.34x = 722,772,677.61
5. Step 5: Solve for x
   x = 722,772,677.61/31,027.34
6. Step 6: Final answer
   x = 23,294.70