Finding the Fourth Proportional to 1,547.86, 2,136.06 and 849.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,547.86 : 2,136.06 = 849.28 : x
2. Step 2: Convert to fraction form
   1,547.86/2,136.06 = 849.28/x
3. Step 3: Cross multiply
   1,547.86x = 2,136.06 × 849.28
4. Step 4: Simplify right side
   1,547.86x = 1,814,113.04
5. Step 5: Solve for x
   x = 1,814,113.04/1,547.86
6. Step 6: Final answer
   x = 1,172.01