Finding the Fourth Proportional to 11,618.89, 17,425.71 and 3,298.73

Step by Step Solution

1. Step 1: Write the proportion equation
   11,618.89 : 17,425.71 = 3,298.73 : x
2. Step 2: Convert to fraction form
   11,618.89/17,425.71 = 3,298.73/x
3. Step 3: Cross multiply
   11,618.89x = 17,425.71 × 3,298.73
4. Step 4: Simplify right side
   11,618.89x = 57,482,712.35
5. Step 5: Solve for x
   x = 57,482,712.35/11,618.89
6. Step 6: Final answer
   x = 4,947.35