Finding the Fourth Proportional to 158,667.12, 237,689.64 and 69,709.68

Step by Step Solution

1. Step 1: Write the proportion equation
   158,667.12 : 237,689.64 = 69,709.68 : x
2. Step 2: Convert to fraction form
   158,667.12/237,689.64 = 69,709.68/x
3. Step 3: Cross multiply
   158,667.12x = 237,689.64 × 69,709.68
4. Step 4: Simplify right side
   158,667.12x = 16,569,268,743.72
5. Step 5: Solve for x
   x = 16,569,268,743.72/158,667.12
6. Step 6: Final answer
   x = 104,427.87