Finding the Fourth Proportional to 11,519.01, 17,278.72 and 4,945.25

Step by Step Solution

1. Step 1: Write the proportion equation
   11,519.01 : 17,278.72 = 4,945.25 : x
2. Step 2: Convert to fraction form
   11,519.01/17,278.72 = 4,945.25/x
3. Step 3: Cross multiply
   11,519.01x = 17,278.72 × 4,945.25
4. Step 4: Simplify right side
   11,519.01x = 85,447,620.91
5. Step 5: Solve for x
   x = 85,447,620.91/11,519.01
6. Step 6: Final answer
   x = 7,417.97