Finding the Fourth Proportional to 3,245.72, 4,870.58 and 1,165.59

Step by Step Solution

1. Step 1: Write the proportion equation
   3,245.72 : 4,870.58 = 1,165.59 : x
2. Step 2: Convert to fraction form
   3,245.72/4,870.58 = 1,165.59/x
3. Step 3: Cross multiply
   3,245.72x = 4,870.58 × 1,165.59
4. Step 4: Simplify right side
   3,245.72x = 5,677,093.51
5. Step 5: Solve for x
   x = 5,677,093.51/3,245.72
6. Step 6: Final answer
   x = 1,749.10