Finding the Fourth Proportional to 114,939.59, 158,526.63 and 78,662.54

Step by Step Solution

1. Step 1: Write the proportion equation
   114,939.59 : 158,526.63 = 78,662.54 : x
2. Step 2: Convert to fraction form
   114,939.59/158,526.63 = 78,662.54/x
3. Step 3: Cross multiply
   114,939.59x = 158,526.63 × 78,662.54
4. Step 4: Simplify right side
   114,939.59x = 12,470,107,373.44
5. Step 5: Solve for x
   x = 12,470,107,373.44/114,939.59
6. Step 6: Final answer
   x = 108,492.71