Finding the Fourth Proportional to 116,157.99, 160,347.15 and 78,483.27

Step by Step Solution

1. Step 1: Write the proportion equation
   116,157.99 : 160,347.15 = 78,483.27 : x
2. Step 2: Convert to fraction form
   116,157.99/160,347.15 = 78,483.27/x
3. Step 3: Cross multiply
   116,157.99x = 160,347.15 × 78,483.27
4. Step 4: Simplify right side
   116,157.99x = 12,584,568,667.18
5. Step 5: Solve for x
   x = 12,584,568,667.18/116,157.99
6. Step 6: Final answer
   x = 108,340.10