Finding the Fourth Proportional to 31,071.52, 42,878.82 and 16,924.24

Step by Step Solution

1. Step 1: Write the proportion equation
   31,071.52 : 42,878.82 = 16,924.24 : x
2. Step 2: Convert to fraction form
   31,071.52/42,878.82 = 16,924.24/x
3. Step 3: Cross multiply
   31,071.52x = 42,878.82 × 16,924.24
4. Step 4: Simplify right side
   31,071.52x = 725,691,440.60
5. Step 5: Solve for x
   x = 725,691,440.60/31,071.52
6. Step 6: Final answer
   x = 23,355.52