Finding the Fourth Proportional to 78,111.75, 117,101.91 and 63,283.89

Step by Step Solution

1. Step 1: Write the proportion equation
   78,111.75 : 117,101.91 = 63,283.89 : x
2. Step 2: Convert to fraction form
   78,111.75/117,101.91 = 63,283.89/x
3. Step 3: Cross multiply
   78,111.75x = 117,101.91 × 63,283.89
4. Step 4: Simplify right side
   78,111.75x = 7,410,664,391.23
5. Step 5: Solve for x
   x = 7,410,664,391.23/78,111.75
6. Step 6: Final answer
   x = 94,872.59