Finding the Fourth Proportional to 116,611.86, 160,922.94 and 65,624.69

Step by Step Solution

1. Step 1: Write the proportion equation
   116,611.86 : 160,922.94 = 65,624.69 : x
2. Step 2: Convert to fraction form
   116,611.86/160,922.94 = 65,624.69/x
3. Step 3: Cross multiply
   116,611.86x = 160,922.94 × 65,624.69
4. Step 4: Simplify right side
   116,611.86x = 10,560,518,207.60
5. Step 5: Solve for x
   x = 10,560,518,207.60/116,611.86
6. Step 6: Final answer
   x = 90,561.27