Finding the Fourth Proportional to 11,942.88, 16,489.38 and 7,468.80

Step by Step Solution

1. Step 1: Write the proportion equation
   11,942.88 : 16,489.38 = 7,468.80 : x
2. Step 2: Convert to fraction form
   11,942.88/16,489.38 = 7,468.80/x
3. Step 3: Cross multiply
   11,942.88x = 16,489.38 × 7,468.80
4. Step 4: Simplify right side
   11,942.88x = 123,155,881.34
5. Step 5: Solve for x
   x = 123,155,881.34/11,942.88
6. Step 6: Final answer
   x = 10,312.08