Finding the Fourth Proportional to 116,175, 160,370.52 and 78,500.28

Step by Step Solution

1. Step 1: Write the proportion equation
   116,175 : 160,370.52 = 78,500.28 : x
2. Step 2: Convert to fraction form
   116,175/160,370.52 = 78,500.28/x
3. Step 3: Cross multiply
   116,175x = 160,370.52 × 78,500.28
4. Step 4: Simplify right side
   116,175x = 12,589,130,723.75
5. Step 5: Solve for x
   x = 12,589,130,723.75/116,175
6. Step 6: Final answer
   x = 108,363.51