Finding the Fourth Proportional to 116,649.60, 160,974.63 and 65,662.22

Step by Step Solution

1. Step 1: Write the proportion equation
   116,649.60 : 160,974.63 = 65,662.22 : x
2. Step 2: Convert to fraction form
   116,649.60/160,974.63 = 65,662.22/x
3. Step 3: Cross multiply
   116,649.60x = 160,974.63 × 65,662.22
4. Step 4: Simplify right side
   116,649.60x = 10,569,950,764.61
5. Step 5: Solve for x
   x = 10,569,950,764.61/116,649.60
6. Step 6: Final answer
   x = 90,612.83