Finding the Fourth Proportional to 1,106.17, 1,526.53 and 608.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,106.17 : 1,526.53 = 608.82 : x
2. Step 2: Convert to fraction form
   1,106.17/1,526.53 = 608.82/x
3. Step 3: Cross multiply
   1,106.17x = 1,526.53 × 608.82
4. Step 4: Simplify right side
   1,106.17x = 929,375.89
5. Step 5: Solve for x
   x = 929,375.89/1,106.17
6. Step 6: Final answer
   x = 840.17