Finding the Fourth Proportional to 31,074.86, 42,883.28 and 16,927.70

Step by Step Solution

1. Step 1: Write the proportion equation
   31,074.86 : 42,883.28 = 16,927.70 : x
2. Step 2: Convert to fraction form
   31,074.86/42,883.28 = 16,927.70/x
3. Step 3: Cross multiply
   31,074.86x = 42,883.28 × 16,927.70
4. Step 4: Simplify right side
   31,074.86x = 725,915,298.86
5. Step 5: Solve for x
   x = 725,915,298.86/31,074.86
6. Step 6: Final answer
   x = 23,360.21