Finding the Fourth Proportional to 1,156.89, 1,736.12 and 609.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,156.89 : 1,736.12 = 609.47 : x
2. Step 2: Convert to fraction form
   1,156.89/1,736.12 = 609.47/x
3. Step 3: Cross multiply
   1,156.89x = 1,736.12 × 609.47
4. Step 4: Simplify right side
   1,156.89x = 1,058,113.06
5. Step 5: Solve for x
   x = 1,058,113.06/1,156.89
6. Step 6: Final answer
   x = 914.62