Finding the Fourth Proportional to 116,556.10, 160,845.69 and 65,564.98

Step by Step Solution

1. Step 1: Write the proportion equation
   116,556.10 : 160,845.69 = 65,564.98 : x
2. Step 2: Convert to fraction form
   116,556.10/160,845.69 = 65,564.98/x
3. Step 3: Cross multiply
   116,556.10x = 160,845.69 × 65,564.98
4. Step 4: Simplify right side
   116,556.10x = 10,545,844,447.94
5. Step 5: Solve for x
   x = 10,545,844,447.94/116,556.10
6. Step 6: Final answer
   x = 90,478.70