Finding the Fourth Proportional to 116,101.78, 160,222.26 and 65,125.83

Step by Step Solution

1. Step 1: Write the proportion equation
   116,101.78 : 160,222.26 = 65,125.83 : x
2. Step 2: Convert to fraction form
   116,101.78/160,222.26 = 65,125.83/x
3. Step 3: Cross multiply
   116,101.78x = 160,222.26 × 65,125.83
4. Step 4: Simplify right side
   116,101.78x = 10,434,607,666.98
5. Step 5: Solve for x
   x = 10,434,607,666.98/116,101.78
6. Step 6: Final answer
   x = 89,874.66