Finding the Fourth Proportional to 3,665.31, 5,495.35 and 1,716.45

Step by Step Solution

1. Step 1: Write the proportion equation
   3,665.31 : 5,495.35 = 1,716.45 : x
2. Step 2: Convert to fraction form
   3,665.31/5,495.35 = 1,716.45/x
3. Step 3: Cross multiply
   3,665.31x = 5,495.35 × 1,716.45
4. Step 4: Simplify right side
   3,665.31x = 9,432,493.51
5. Step 5: Solve for x
   x = 9,432,493.51/3,665.31
6. Step 6: Final answer
   x = 2,573.45