Finding the Fourth Proportional to 1,463.31, 2,020.37 and 904.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,463.31 : 2,020.37 = 904.50 : x
2. Step 2: Convert to fraction form
   1,463.31/2,020.37 = 904.50/x
3. Step 3: Cross multiply
   1,463.31x = 2,020.37 × 904.50
4. Step 4: Simplify right side
   1,463.31x = 1,827,420.14
5. Step 5: Solve for x
   x = 1,827,420.14/1,463.31
6. Step 6: Final answer
   x = 1,248.83