Finding the Fourth Proportional to 236,610.10, 326,526.56 and 129,180.41

Step by Step Solution

1. Step 1: Write the proportion equation
   236,610.10 : 326,526.56 = 129,180.41 : x
2. Step 2: Convert to fraction form
   236,610.10/326,526.56 = 129,180.41/x
3. Step 3: Cross multiply
   236,610.10x = 326,526.56 × 129,180.41
4. Step 4: Simplify right side
   236,610.10x = 42,180,834,896.69
5. Step 5: Solve for x
   x = 42,180,834,896.69/236,610.10
6. Step 6: Final answer
   x = 178,271.49