Finding the Fourth Proportional to 9,819.32, 14,724.66 and 3,659

Step by Step Solution

1. Step 1: Write the proportion equation
   9,819.32 : 14,724.66 = 3,659 : x
2. Step 2: Convert to fraction form
   9,819.32/14,724.66 = 3,659/x
3. Step 3: Cross multiply
   9,819.32x = 14,724.66 × 3,659
4. Step 4: Simplify right side
   9,819.32x = 53,877,530.94
5. Step 5: Solve for x
   x = 53,877,530.94/9,819.32
6. Step 6: Final answer
   x = 5,486.89