Finding the Fourth Proportional to 1,106.86, 1,527.42 and 609.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,106.86 : 1,527.42 = 609.48 : x
2. Step 2: Convert to fraction form
   1,106.86/1,527.42 = 609.48/x
3. Step 3: Cross multiply
   1,106.86x = 1,527.42 × 609.48
4. Step 4: Simplify right side
   1,106.86x = 930,931.94
5. Step 5: Solve for x
   x = 930,931.94/1,106.86
6. Step 6: Final answer
   x = 841.06