Finding the Fourth Proportional to 78,733.69, 108,651.85 and 42,923.05

Step by Step Solution

1. Step 1: Write the proportion equation
   78,733.69 : 108,651.85 = 42,923.05 : x
2. Step 2: Convert to fraction form
   78,733.69/108,651.85 = 42,923.05/x
3. Step 3: Cross multiply
   78,733.69x = 108,651.85 × 42,923.05
4. Step 4: Simplify right side
   78,733.69x = 4,663,668,790.14
5. Step 5: Solve for x
   x = 4,663,668,790.14/78,733.69
6. Step 6: Final answer
   x = 59,233.46