Finding the Fourth Proportional to 31,088.16, 42,901.68 and 16,941

Step by Step Solution

1. Step 1: Write the proportion equation
   31,088.16 : 42,901.68 = 16,941 : x
2. Step 2: Convert to fraction form
   31,088.16/42,901.68 = 16,941/x
3. Step 3: Cross multiply
   31,088.16x = 42,901.68 × 16,941
4. Step 4: Simplify right side
   31,088.16x = 726,797,360.88
5. Step 5: Solve for x
   x = 726,797,360.88/31,088.16
6. Step 6: Final answer
   x = 23,378.59