Finding the Fourth Proportional to 3,928.61, 5,892.01 and 1,736.15

Step by Step Solution

1. Step 1: Write the proportion equation
   3,928.61 : 5,892.01 = 1,736.15 : x
2. Step 2: Convert to fraction form
   3,928.61/5,892.01 = 1,736.15/x
3. Step 3: Cross multiply
   3,928.61x = 5,892.01 × 1,736.15
4. Step 4: Simplify right side
   3,928.61x = 10,229,379.36
5. Step 5: Solve for x
   x = 10,229,379.36/3,928.61
6. Step 6: Final answer
   x = 2,603.81