Finding the Fourth Proportional to 1,521.04, 2,285.82 and 904.84

Step by Step Solution

1. Step 1: Write the proportion equation
   1,521.04 : 2,285.82 = 904.84 : x
2. Step 2: Convert to fraction form
   1,521.04/2,285.82 = 904.84/x
3. Step 3: Cross multiply
   1,521.04x = 2,285.82 × 904.84
4. Step 4: Simplify right side
   1,521.04x = 2,068,301.37
5. Step 5: Solve for x
   x = 2,068,301.37/1,521.04
6. Step 6: Final answer
   x = 1,359.79