Finding the Fourth Proportional to 116,650.58, 160,983.04 and 65,680.84

Step by Step Solution

1. Step 1: Write the proportion equation
   116,650.58 : 160,983.04 = 65,680.84 : x
2. Step 2: Convert to fraction form
   116,650.58/160,983.04 = 65,680.84/x
3. Step 3: Cross multiply
   116,650.58x = 160,983.04 × 65,680.84
4. Step 4: Simplify right side
   116,650.58x = 10,573,501,292.95
5. Step 5: Solve for x
   x = 10,573,501,292.95/116,650.58
6. Step 6: Final answer
   x = 90,642.51