Finding the Fourth Proportional to 116,533.59, 160,906.84 and 90,995.67

Step by Step Solution

1. Step 1: Write the proportion equation
   116,533.59 : 160,906.84 = 90,995.67 : x
2. Step 2: Convert to fraction form
   116,533.59/160,906.84 = 90,995.67/x
3. Step 3: Cross multiply
   116,533.59x = 160,906.84 × 90,995.67
4. Step 4: Simplify right side
   116,533.59x = 14,641,825,485.89
5. Step 5: Solve for x
   x = 14,641,825,485.89/116,533.59
6. Step 6: Final answer
   x = 125,644.68