Finding the Fourth Proportional to 19,337.37, 28,978.69 and 8,232.88

Step by Step Solution

1. Step 1: Write the proportion equation
   19,337.37 : 28,978.69 = 8,232.88 : x
2. Step 2: Convert to fraction form
   19,337.37/28,978.69 = 8,232.88/x
3. Step 3: Cross multiply
   19,337.37x = 28,978.69 × 8,232.88
4. Step 4: Simplify right side
   19,337.37x = 238,578,077.33
5. Step 5: Solve for x
   x = 238,578,077.33/19,337.37
6. Step 6: Final answer
   x = 12,337.67