Finding the Fourth Proportional to 1,026.76, 1,417.40 and 654.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,026.76 : 1,417.40 = 654.25 : x
2. Step 2: Convert to fraction form
   1,026.76/1,417.40 = 654.25/x
3. Step 3: Cross multiply
   1,026.76x = 1,417.40 × 654.25
4. Step 4: Simplify right side
   1,026.76x = 927,333.95
5. Step 5: Solve for x
   x = 927,333.95/1,026.76
6. Step 6: Final answer
   x = 903.17