Finding the Fourth Proportional to 116,069.44, 160,165.92 and 78,394.72

Step by Step Solution

1. Step 1: Write the proportion equation
   116,069.44 : 160,165.92 = 78,394.72 : x
2. Step 2: Convert to fraction form
   116,069.44/160,165.92 = 78,394.72/x
3. Step 3: Cross multiply
   116,069.44x = 160,165.92 × 78,394.72
4. Step 4: Simplify right side
   116,069.44x = 12,556,162,451.94
5. Step 5: Solve for x
   x = 12,556,162,451.94/116,069.44
6. Step 6: Final answer
   x = 108,178.02