Finding the Fourth Proportional to 116,461.72, 160,708.32 and 65,466.34

Step by Step Solution

1. Step 1: Write the proportion equation
   116,461.72 : 160,708.32 = 65,466.34 : x
2. Step 2: Convert to fraction form
   116,461.72/160,708.32 = 65,466.34/x
3. Step 3: Cross multiply
   116,461.72x = 160,708.32 × 65,466.34
4. Step 4: Simplify right side
   116,461.72x = 10,520,985,517.95
5. Step 5: Solve for x
   x = 10,520,985,517.95/116,461.72
6. Step 6: Final answer
   x = 90,338.57