Finding the Fourth Proportional to 114,993.42, 158,763.83 and 78,755.64

Step by Step Solution

1. Step 1: Write the proportion equation
   114,993.42 : 158,763.83 = 78,755.64 : x
2. Step 2: Convert to fraction form
   114,993.42/158,763.83 = 78,755.64/x
3. Step 3: Cross multiply
   114,993.42x = 158,763.83 × 78,755.64
4. Step 4: Simplify right side
   114,993.42x = 12,503,547,040.50
5. Step 5: Solve for x
   x = 12,503,547,040.50/114,993.42
6. Step 6: Final answer
   x = 108,732.72