Finding the Fourth Proportional to 1,114.53, 1,537.25 and 904.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,114.53 : 1,537.25 = 904.69 : x
2. Step 2: Convert to fraction form
   1,114.53/1,537.25 = 904.69/x
3. Step 3: Cross multiply
   1,114.53x = 1,537.25 × 904.69
4. Step 4: Simplify right side
   1,114.53x = 1,390,734.70
5. Step 5: Solve for x
   x = 1,390,734.70/1,114.53
6. Step 6: Final answer
   x = 1,247.82