Finding the Fourth Proportional to 1,547.88, 2,136.18 and 1,144.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,547.88 : 2,136.18 = 1,144.50 : x
2. Step 2: Convert to fraction form
   1,547.88/2,136.18 = 1,144.50/x
3. Step 3: Cross multiply
   1,547.88x = 2,136.18 × 1,144.50
4. Step 4: Simplify right side
   1,547.88x = 2,444,858.01
5. Step 5: Solve for x
   x = 2,444,858.01/1,547.88
6. Step 6: Final answer
   x = 1,579.49