Finding the Fourth Proportional to 2,443.76, 3,666.12 and 904.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,443.76 : 3,666.12 = 904.88 : x
2. Step 2: Convert to fraction form
   2,443.76/3,666.12 = 904.88/x
3. Step 3: Cross multiply
   2,443.76x = 3,666.12 × 904.88
4. Step 4: Simplify right side
   2,443.76x = 3,317,398.67
5. Step 5: Solve for x
   x = 3,317,398.67/2,443.76
6. Step 6: Final answer
   x = 1,357.50