Finding the Fourth Proportional to 1,922.42, 2,654.21 and 1,136.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,922.42 : 2,654.21 = 1,136.72 : x
2. Step 2: Convert to fraction form
   1,922.42/2,654.21 = 1,136.72/x
3. Step 3: Cross multiply
   1,922.42x = 2,654.21 × 1,136.72
4. Step 4: Simplify right side
   1,922.42x = 3,017,083.16
5. Step 5: Solve for x
   x = 3,017,083.16/1,922.42
6. Step 6: Final answer
   x = 1,569.42