Finding the Fourth Proportional to 1,178.31, 1,626.01 and 654.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,178.31 : 1,626.01 = 654.33 : x
2. Step 2: Convert to fraction form
   1,178.31/1,626.01 = 654.33/x
3. Step 3: Cross multiply
   1,178.31x = 1,626.01 × 654.33
4. Step 4: Simplify right side
   1,178.31x = 1,063,947.12
5. Step 5: Solve for x
   x = 1,063,947.12/1,178.31
6. Step 6: Final answer
   x = 902.94