Finding the Fourth Proportional to 12,176.88, 18,228.06 and 7,798.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,176.88 : 18,228.06 = 7,798.56 : x
2. Step 2: Convert to fraction form
   12,176.88/18,228.06 = 7,798.56/x
3. Step 3: Cross multiply
   12,176.88x = 18,228.06 × 7,798.56
4. Step 4: Simplify right side
   12,176.88x = 142,152,619.59
5. Step 5: Solve for x
   x = 142,152,619.59/12,176.88
6. Step 6: Final answer
   x = 11,673.98