Finding the Fourth Proportional to 3,606.53, 5,383.72 and 3,335.99

Step by Step Solution

1. Step 1: Write the proportion equation
   3,606.53 : 5,383.72 = 3,335.99 : x
2. Step 2: Convert to fraction form
   3,606.53/5,383.72 = 3,335.99/x
3. Step 3: Cross multiply
   3,606.53x = 5,383.72 × 3,335.99
4. Step 4: Simplify right side
   3,606.53x = 17,959,994.57
5. Step 5: Solve for x
   x = 17,959,994.57/3,606.53
6. Step 6: Final answer
   x = 4,979.86