Finding the Fourth Proportional to 116,564.74, 160,859.12 and 65,577.53

Step by Step Solution

1. Step 1: Write the proportion equation
   116,564.74 : 160,859.12 = 65,577.53 : x
2. Step 2: Convert to fraction form
   116,564.74/160,859.12 = 65,577.53/x
3. Step 3: Cross multiply
   116,564.74x = 160,859.12 × 65,577.53
4. Step 4: Simplify right side
   116,564.74x = 10,548,743,841.83
5. Step 5: Solve for x
   x = 10,548,743,841.83/116,564.74
6. Step 6: Final answer
   x = 90,496.87