Finding the Fourth Proportional to 164,429.32, 226,912.50 and 88,978.12

Step by Step Solution

1. Step 1: Write the proportion equation
   164,429.32 : 226,912.50 = 88,978.12 : x
2. Step 2: Convert to fraction form
   164,429.32/226,912.50 = 88,978.12/x
3. Step 3: Cross multiply
   164,429.32x = 226,912.50 × 88,978.12
4. Step 4: Simplify right side
   164,429.32x = 20,190,247,654.50
5. Step 5: Solve for x
   x = 20,190,247,654.50/164,429.32
6. Step 6: Final answer
   x = 122,789.83