Finding the Fourth Proportional to 11,648.88, 16,076.61 and 7,173.63

Step by Step Solution

1. Step 1: Write the proportion equation
   11,648.88 : 16,076.61 = 7,173.63 : x
2. Step 2: Convert to fraction form
   11,648.88/16,076.61 = 7,173.63/x
3. Step 3: Cross multiply
   11,648.88x = 16,076.61 × 7,173.63
4. Step 4: Simplify right side
   11,648.88x = 115,327,651.79
5. Step 5: Solve for x
   x = 115,327,651.79/11,648.88
6. Step 6: Final answer
   x = 9,900.32