Finding the Fourth Proportional to 116,451.90, 160,720.61 and 65,468.84

Step by Step Solution

1. Step 1: Write the proportion equation
   116,451.90 : 160,720.61 = 65,468.84 : x
2. Step 2: Convert to fraction form
   116,451.90/160,720.61 = 65,468.84/x
3. Step 3: Cross multiply
   116,451.90x = 160,720.61 × 65,468.84
4. Step 4: Simplify right side
   116,451.90x = 10,522,190,769.85
5. Step 5: Solve for x
   x = 10,522,190,769.85/116,451.90
6. Step 6: Final answer
   x = 90,356.54