Finding the Fourth Proportional to 116,086.72, 160,153.62 and 75,787.60

Step by Step Solution

1. Step 1: Write the proportion equation
   116,086.72 : 160,153.62 = 75,787.60 : x
2. Step 2: Convert to fraction form
   116,086.72/160,153.62 = 75,787.60/x
3. Step 3: Cross multiply
   116,086.72x = 160,153.62 × 75,787.60
4. Step 4: Simplify right side
   116,086.72x = 12,137,658,491.11
5. Step 5: Solve for x
   x = 12,137,658,491.11/116,086.72
6. Step 6: Final answer
   x = 104,556.82