Finding the Fourth Proportional to 31,092.57, 42,914.68 and 19,759.86

Step by Step Solution

1. Step 1: Write the proportion equation
   31,092.57 : 42,914.68 = 19,759.86 : x
2. Step 2: Convert to fraction form
   31,092.57/42,914.68 = 19,759.86/x
3. Step 3: Cross multiply
   31,092.57x = 42,914.68 × 19,759.86
4. Step 4: Simplify right side
   31,092.57x = 847,988,019.35
5. Step 5: Solve for x
   x = 847,988,019.35/31,092.57
6. Step 6: Final answer
   x = 27,273.01