Finding the Fourth Proportional to 116,166.50, 160,285.05 and 68,402.42

Step by Step Solution

1. Step 1: Write the proportion equation
   116,166.50 : 160,285.05 = 68,402.42 : x
2. Step 2: Convert to fraction form
   116,166.50/160,285.05 = 68,402.42/x
3. Step 3: Cross multiply
   116,166.50x = 160,285.05 × 68,402.42
4. Step 4: Simplify right side
   116,166.50x = 10,963,885,309.82
5. Step 5: Solve for x
   x = 10,963,885,309.82/116,166.50
6. Step 6: Final answer
   x = 94,380.78