Finding the Fourth Proportional to 116,596.16, 160,902.72 and 66,298.24

Step by Step Solution

1. Step 1: Write the proportion equation
   116,596.16 : 160,902.72 = 66,298.24 : x
2. Step 2: Convert to fraction form
   116,596.16/160,902.72 = 66,298.24/x
3. Step 3: Cross multiply
   116,596.16x = 160,902.72 × 66,298.24
4. Step 4: Simplify right side
   116,596.16x = 10,667,567,147.21
5. Step 5: Solve for x
   x = 10,667,567,147.21/116,596.16
6. Step 6: Final answer
   x = 91,491.58