Finding the Fourth Proportional to 231,050.46, 318,716.60 and 139,105.82

Step by Step Solution

1. Step 1: Write the proportion equation
   231,050.46 : 318,716.60 = 139,105.82 : x
2. Step 2: Convert to fraction form
   231,050.46/318,716.60 = 139,105.82/x
3. Step 3: Cross multiply
   231,050.46x = 318,716.60 × 139,105.82
4. Step 4: Simplify right side
   231,050.46x = 44,335,333,990.61
5. Step 5: Solve for x
   x = 44,335,333,990.61/231,050.46
6. Step 6: Final answer
   x = 191,885.94