Finding the Fourth Proportional to 1,126.31, 1,554.59 and 654.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,126.31 : 1,554.59 = 654.58 : x
2. Step 2: Convert to fraction form
   1,126.31/1,554.59 = 654.58/x
3. Step 3: Cross multiply
   1,126.31x = 1,554.59 × 654.58
4. Step 4: Simplify right side
   1,126.31x = 1,017,607.10
5. Step 5: Solve for x
   x = 1,017,607.10/1,126.31
6. Step 6: Final answer
   x = 903.49