Finding the Fourth Proportional to 116,233.68, 160,404.87 and 65,250.09

Step by Step Solution

1. Step 1: Write the proportion equation
   116,233.68 : 160,404.87 = 65,250.09 : x
2. Step 2: Convert to fraction form
   116,233.68/160,404.87 = 65,250.09/x
3. Step 3: Cross multiply
   116,233.68x = 160,404.87 × 65,250.09
4. Step 4: Simplify right side
   116,233.68x = 10,466,432,203.94
5. Step 5: Solve for x
   x = 10,466,432,203.94/116,233.68
6. Step 6: Final answer
   x = 90,046.47