Finding the Fourth Proportional to 79,850.86, 119,710.59 and 31,824.34

Step by Step Solution

1. Step 1: Write the proportion equation
   79,850.86 : 119,710.59 = 31,824.34 : x
2. Step 2: Convert to fraction form
   79,850.86/119,710.59 = 31,824.34/x
3. Step 3: Cross multiply
   79,850.86x = 119,710.59 × 31,824.34
4. Step 4: Simplify right side
   79,850.86x = 3,809,710,517.76
5. Step 5: Solve for x
   x = 3,809,710,517.76/79,850.86
6. Step 6: Final answer
   x = 47,710.33