Finding the Fourth Proportional to 116,404.88, 160,596.66 and 76,141.64

Step by Step Solution

1. Step 1: Write the proportion equation
   116,404.88 : 160,596.66 = 76,141.64 : x
2. Step 2: Convert to fraction form
   116,404.88/160,596.66 = 76,141.64/x
3. Step 3: Cross multiply
   116,404.88x = 160,596.66 × 76,141.64
4. Step 4: Simplify right side
   116,404.88x = 12,228,093,070.92
5. Step 5: Solve for x
   x = 12,228,093,070.92/116,404.88
6. Step 6: Final answer
   x = 105,047.94