Finding the Fourth Proportional to 1,547.89, 2,136.24 and 884.84

Step by Step Solution

1. Step 1: Write the proportion equation
   1,547.89 : 2,136.24 = 884.84 : x
2. Step 2: Convert to fraction form
   1,547.89/2,136.24 = 884.84/x
3. Step 3: Cross multiply
   1,547.89x = 2,136.24 × 884.84
4. Step 4: Simplify right side
   1,547.89x = 1,890,230.60
5. Step 5: Solve for x
   x = 1,890,230.60/1,547.89
6. Step 6: Final answer
   x = 1,221.17