Finding the Fourth Proportional to 123,624.40, 185,441.72 and 61,344.72

Step by Step Solution

1. Step 1: Write the proportion equation
   123,624.40 : 185,441.72 = 61,344.72 : x
2. Step 2: Convert to fraction form
   123,624.40/185,441.72 = 61,344.72/x
3. Step 3: Cross multiply
   123,624.40x = 185,441.72 × 61,344.72
4. Step 4: Simplify right side
   123,624.40x = 11,375,870,389.72
5. Step 5: Solve for x
   x = 11,375,870,389.72/123,624.40
6. Step 6: Final answer
   x = 92,019.62