Finding the Fourth Proportional to 116,068.44, 160,164.54 and 78,393.72

Step by Step Solution

1. Step 1: Write the proportion equation
   116,068.44 : 160,164.54 = 78,393.72 : x
2. Step 2: Convert to fraction form
   116,068.44/160,164.54 = 78,393.72/x
3. Step 3: Cross multiply
   116,068.44x = 160,164.54 × 78,393.72
4. Step 4: Simplify right side
   116,068.44x = 12,555,894,102.69
5. Step 5: Solve for x
   x = 12,555,894,102.69/116,068.44
6. Step 6: Final answer
   x = 108,176.64