Finding the Fourth Proportional to 2,443.64, 3,665.94 and 904.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,443.64 : 3,665.94 = 904.76 : x
2. Step 2: Convert to fraction form
   2,443.64/3,665.94 = 904.76/x
3. Step 3: Cross multiply
   2,443.64x = 3,665.94 × 904.76
4. Step 4: Simplify right side
   2,443.64x = 3,316,795.87
5. Step 5: Solve for x
   x = 3,316,795.87/2,443.64
6. Step 6: Final answer
   x = 1,357.32