Finding the Fourth Proportional to 123,716.50, 185,597.87 and 56,253.49

Step by Step Solution

1. Step 1: Write the proportion equation
   123,716.50 : 185,597.87 = 56,253.49 : x
2. Step 2: Convert to fraction form
   123,716.50/185,597.87 = 56,253.49/x
3. Step 3: Cross multiply
   123,716.50x = 185,597.87 × 56,253.49
4. Step 4: Simplify right side
   123,716.50x = 10,440,527,178.80
5. Step 5: Solve for x
   x = 10,440,527,178.80/123,716.50
6. Step 6: Final answer
   x = 84,390.74