Finding the Fourth Proportional to 116,057.24, 160,207.98 and 78,382.52

Step by Step Solution

1. Step 1: Write the proportion equation
   116,057.24 : 160,207.98 = 78,382.52 : x
2. Step 2: Convert to fraction form
   116,057.24/160,207.98 = 78,382.52/x
3. Step 3: Cross multiply
   116,057.24x = 160,207.98 × 78,382.52
4. Step 4: Simplify right side
   116,057.24x = 12,557,505,196.51
5. Step 5: Solve for x
   x = 12,557,505,196.51/116,057.24
6. Step 6: Final answer
   x = 108,200.96