Finding the Fourth Proportional to 1,178.32, 1,626.06 and 654.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,178.32 : 1,626.06 = 654.34 : x
2. Step 2: Convert to fraction form
   1,178.32/1,626.06 = 654.34/x
3. Step 3: Cross multiply
   1,178.32x = 1,626.06 × 654.34
4. Step 4: Simplify right side
   1,178.32x = 1,063,996.10
5. Step 5: Solve for x
   x = 1,063,996.10/1,178.32
6. Step 6: Final answer
   x = 902.98