Finding the Fourth Proportional to 158,667.17, 238,062.99 and 69,858.38

Step by Step Solution

1. Step 1: Write the proportion equation
   158,667.17 : 238,062.99 = 69,858.38 : x
2. Step 2: Convert to fraction form
   158,667.17/238,062.99 = 69,858.38/x
3. Step 3: Cross multiply
   158,667.17x = 238,062.99 × 69,858.38
4. Step 4: Simplify right side
   158,667.17x = 16,630,693,629.04
5. Step 5: Solve for x
   x = 16,630,693,629.04/158,667.17
6. Step 6: Final answer
   x = 104,814.97