Finding the Fourth Proportional to 5,185.46, 7,779.31 and 1,675.69

Step by Step Solution

1. Step 1: Write the proportion equation
   5,185.46 : 7,779.31 = 1,675.69 : x
2. Step 2: Convert to fraction form
   5,185.46/7,779.31 = 1,675.69/x
3. Step 3: Cross multiply
   5,185.46x = 7,779.31 × 1,675.69
4. Step 4: Simplify right side
   5,185.46x = 13,035,688.34
5. Step 5: Solve for x
   x = 13,035,688.34/5,185.46
6. Step 6: Final answer
   x = 2,513.89