Finding the Fourth Proportional to 1,068.69, 1,476.57 and 849.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,068.69 : 1,476.57 = 849.31 : x
2. Step 2: Convert to fraction form
   1,068.69/1,476.57 = 849.31/x
3. Step 3: Cross multiply
   1,068.69x = 1,476.57 × 849.31
4. Step 4: Simplify right side
   1,068.69x = 1,254,065.67
5. Step 5: Solve for x
   x = 1,254,065.67/1,068.69
6. Step 6: Final answer
   x = 1,173.46