Finding the Fourth Proportional to 116,268.51, 160,499.31 and 78,593.79

Step by Step Solution

1. Step 1: Write the proportion equation
   116,268.51 : 160,499.31 = 78,593.79 : x
2. Step 2: Convert to fraction form
   116,268.51/160,499.31 = 78,593.79/x
3. Step 3: Cross multiply
   116,268.51x = 160,499.31 × 78,593.79
4. Step 4: Simplify right side
   116,268.51x = 12,614,249,065.28
5. Step 5: Solve for x
   x = 12,614,249,065.28/116,268.51
6. Step 6: Final answer
   x = 108,492.39