Finding the Fourth Proportional to 2,573.16, 3,837.90 and 2,185.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,573.16 : 3,837.90 = 2,185.98 : x
2. Step 2: Convert to fraction form
   2,573.16/3,837.90 = 2,185.98/x
3. Step 3: Cross multiply
   2,573.16x = 3,837.90 × 2,185.98
4. Step 4: Simplify right side
   2,573.16x = 8,389,572.64
5. Step 5: Solve for x
   x = 8,389,572.64/2,573.16
6. Step 6: Final answer
   x = 3,260.42