Finding the Fourth Proportional to 78,738.54, 118,037.87 and 30,696.07

Step by Step Solution

1. Step 1: Write the proportion equation
   78,738.54 : 118,037.87 = 30,696.07 : x
2. Step 2: Convert to fraction form
   78,738.54/118,037.87 = 30,696.07/x
3. Step 3: Cross multiply
   78,738.54x = 118,037.87 × 30,696.07
4. Step 4: Simplify right side
   78,738.54x = 3,623,298,566.69
5. Step 5: Solve for x
   x = 3,623,298,566.69/78,738.54
6. Step 6: Final answer
   x = 46,016.84