Finding the Fourth Proportional to 5,162.58, 7,124.31 and 2,804.58

Step by Step Solution

1. Step 1: Write the proportion equation
   5,162.58 : 7,124.31 = 2,804.58 : x
2. Step 2: Convert to fraction form
   5,162.58/7,124.31 = 2,804.58/x
3. Step 3: Cross multiply
   5,162.58x = 7,124.31 × 2,804.58
4. Step 4: Simplify right side
   5,162.58x = 19,980,697.34
5. Step 5: Solve for x
   x = 19,980,697.34/5,162.58
6. Step 6: Final answer
   x = 3,870.29