Finding the Fourth Proportional to 2,384.25, 3,575.16 and 997.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,384.25 : 3,575.16 = 997.21 : x
2. Step 2: Convert to fraction form
   2,384.25/3,575.16 = 997.21/x
3. Step 3: Cross multiply
   2,384.25x = 3,575.16 × 997.21
4. Step 4: Simplify right side
   2,384.25x = 3,565,185.30
5. Step 5: Solve for x
   x = 3,565,185.30/2,384.25
6. Step 6: Final answer
   x = 1,495.31