Finding the Fourth Proportional to 116,451.93, 160,683.64 and 65,457.59

Step by Step Solution

1. Step 1: Write the proportion equation
   116,451.93 : 160,683.64 = 65,457.59 : x
2. Step 2: Convert to fraction form
   116,451.93/160,683.64 = 65,457.59/x
3. Step 3: Cross multiply
   116,451.93x = 160,683.64 × 65,457.59
4. Step 4: Simplify right side
   116,451.93x = 10,517,963,043.86
5. Step 5: Solve for x
   x = 10,517,963,043.86/116,451.93
6. Step 6: Final answer
   x = 90,320.21