Finding the Fourth Proportional to 166,978.08, 230,453.37 and 103,336.38

Step by Step Solution

1. Step 1: Write the proportion equation
   166,978.08 : 230,453.37 = 103,336.38 : x
2. Step 2: Convert to fraction form
   166,978.08/230,453.37 = 103,336.38/x
3. Step 3: Cross multiply
   166,978.08x = 230,453.37 × 103,336.38
4. Step 4: Simplify right side
   166,978.08x = 23,814,217,014.60
5. Step 5: Solve for x
   x = 23,814,217,014.60/166,978.08
6. Step 6: Final answer
   x = 142,618.82