Finding the Fourth Proportional to 78,333.50, 117,513.62 and 30,923.79

Step by Step Solution

1. Step 1: Write the proportion equation
   78,333.50 : 117,513.62 = 30,923.79 : x
2. Step 2: Convert to fraction form
   78,333.50/117,513.62 = 30,923.79/x
3. Step 3: Cross multiply
   78,333.50x = 117,513.62 × 30,923.79
4. Step 4: Simplify right side
   78,333.50x = 3,633,966,352.40
5. Step 5: Solve for x
   x = 3,633,966,352.40/78,333.50
6. Step 6: Final answer
   x = 46,390.96