Finding the Fourth Proportional to 236,602.56, 326,499.52 and 129,171.84

Step by Step Solution

1. Step 1: Write the proportion equation
   236,602.56 : 326,499.52 = 129,171.84 : x
2. Step 2: Convert to fraction form
   236,602.56/326,499.52 = 129,171.84/x
3. Step 3: Cross multiply
   236,602.56x = 326,499.52 × 129,171.84
4. Step 4: Simplify right side
   236,602.56x = 42,174,543,757.52
5. Step 5: Solve for x
   x = 42,174,543,757.52/236,602.56
6. Step 6: Final answer
   x = 178,250.58