Finding the Fourth Proportional to 1,084.06, 1,625.88 and 609.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,084.06 : 1,625.88 = 609.34 : x
2. Step 2: Convert to fraction form
   1,084.06/1,625.88 = 609.34/x
3. Step 3: Cross multiply
   1,084.06x = 1,625.88 × 609.34
4. Step 4: Simplify right side
   1,084.06x = 990,713.72
5. Step 5: Solve for x
   x = 990,713.72/1,084.06
6. Step 6: Final answer
   x = 913.89