Finding the Fourth Proportional to 78,945.99, 118,503.24 and 33,989.59

Step by Step Solution

1. Step 1: Write the proportion equation
   78,945.99 : 118,503.24 = 33,989.59 : x
2. Step 2: Convert to fraction form
   78,945.99/118,503.24 = 33,989.59/x
3. Step 3: Cross multiply
   78,945.99x = 118,503.24 × 33,989.59
4. Step 4: Simplify right side
   78,945.99x = 4,027,876,541.27
5. Step 5: Solve for x
   x = 4,027,876,541.27/78,945.99
6. Step 6: Final answer
   x = 51,020.66