Finding the Fourth Proportional to 11,938.88, 16,483.86 and 7,464.80

Step by Step Solution

1. Step 1: Write the proportion equation
   11,938.88 : 16,483.86 = 7,464.80 : x
2. Step 2: Convert to fraction form
   11,938.88/16,483.86 = 7,464.80/x
3. Step 3: Cross multiply
   11,938.88x = 16,483.86 × 7,464.80
4. Step 4: Simplify right side
   11,938.88x = 123,048,718.13
5. Step 5: Solve for x
   x = 123,048,718.13/11,938.88
6. Step 6: Final answer
   x = 10,306.55