Finding the Fourth Proportional to 1,154.34, 1,730.16 and 606.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,154.34 : 1,730.16 = 606.78 : x
2. Step 2: Convert to fraction form
   1,154.34/1,730.16 = 606.78/x
3. Step 3: Cross multiply
   1,154.34x = 1,730.16 × 606.78
4. Step 4: Simplify right side
   1,154.34x = 1,049,826.48
5. Step 5: Solve for x
   x = 1,049,826.48/1,154.34
6. Step 6: Final answer
   x = 909.46