Finding the Fourth Proportional to 2,381.37, 3,572.69 and 900.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,381.37 : 3,572.69 = 900.62 : x
2. Step 2: Convert to fraction form
   2,381.37/3,572.69 = 900.62/x
3. Step 3: Cross multiply
   2,381.37x = 3,572.69 × 900.62
4. Step 4: Simplify right side
   2,381.37x = 3,217,636.07
5. Step 5: Solve for x
   x = 3,217,636.07/2,381.37
6. Step 6: Final answer
   x = 1,351.17