Finding the Fourth Proportional to 1,106.27, 1,526.61 and 608.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,106.27 : 1,526.61 = 608.88 : x
2. Step 2: Convert to fraction form
   1,106.27/1,526.61 = 608.88/x
3. Step 3: Cross multiply
   1,106.27x = 1,526.61 × 608.88
4. Step 4: Simplify right side
   1,106.27x = 929,522.30
5. Step 5: Solve for x
   x = 929,522.30/1,106.27
6. Step 6: Final answer
   x = 840.23