Finding the Fourth Proportional to 31,124.07, 42,950.84 and 16,976.61

Step by Step Solution

1. Step 1: Write the proportion equation
   31,124.07 : 42,950.84 = 16,976.61 : x
2. Step 2: Convert to fraction form
   31,124.07/42,950.84 = 16,976.61/x
3. Step 3: Cross multiply
   31,124.07x = 42,950.84 × 16,976.61
4. Step 4: Simplify right side
   31,124.07x = 729,159,659.85
5. Step 5: Solve for x
   x = 729,159,659.85/31,124.07
6. Step 6: Final answer
   x = 23,427.52