Finding the Fourth Proportional to 31,029.56, 42,820.97 and 16,882.50

Step by Step Solution

1. Step 1: Write the proportion equation
   31,029.56 : 42,820.97 = 16,882.50 : x
2. Step 2: Convert to fraction form
   31,029.56/42,820.97 = 16,882.50/x
3. Step 3: Cross multiply
   31,029.56x = 42,820.97 × 16,882.50
4. Step 4: Simplify right side
   31,029.56x = 722,925,026.03
5. Step 5: Solve for x
   x = 722,925,026.03/31,029.56
6. Step 6: Final answer
   x = 23,297.95