Finding the Fourth Proportional to 1,106.63, 1,527.25 and 609.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,106.63 : 1,527.25 = 609.34 : x
2. Step 2: Convert to fraction form
   1,106.63/1,527.25 = 609.34/x
3. Step 3: Cross multiply
   1,106.63x = 1,527.25 × 609.34
4. Step 4: Simplify right side
   1,106.63x = 930,614.52
5. Step 5: Solve for x
   x = 930,614.52/1,106.63
6. Step 6: Final answer
   x = 840.94