Finding the Fourth Proportional to 116,014.77, 160,100.69 and 65,713.77

Step by Step Solution

1. Step 1: Write the proportion equation
   116,014.77 : 160,100.69 = 65,713.77 : x
2. Step 2: Convert to fraction form
   116,014.77/160,100.69 = 65,713.77/x
3. Step 3: Cross multiply
   116,014.77x = 160,100.69 × 65,713.77
4. Step 4: Simplify right side
   116,014.77x = 10,520,819,590.93
5. Step 5: Solve for x
   x = 10,520,819,590.93/116,014.77
6. Step 6: Final answer
   x = 90,685.17