Finding the Fourth Proportional to 11,345.84, 17,025.24 and 4,418.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,345.84 : 17,025.24 = 4,418.72 : x
2. Step 2: Convert to fraction form
   11,345.84/17,025.24 = 4,418.72/x
3. Step 3: Cross multiply
   11,345.84x = 17,025.24 × 4,418.72
4. Step 4: Simplify right side
   11,345.84x = 75,229,768.49
5. Step 5: Solve for x
   x = 75,229,768.49/11,345.84
6. Step 6: Final answer
   x = 6,630.60