Finding the Fourth Proportional to 1,650.31, 2,277.42 and 904.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,650.31 : 2,277.42 = 904.27 : x
2. Step 2: Convert to fraction form
   1,650.31/2,277.42 = 904.27/x
3. Step 3: Cross multiply
   1,650.31x = 2,277.42 × 904.27
4. Step 4: Simplify right side
   1,650.31x = 2,059,402.58
5. Step 5: Solve for x
   x = 2,059,402.58/1,650.31
6. Step 6: Final answer
   x = 1,247.89