Finding the Fourth Proportional to 1,544.73, 2,131.89 and 1,151.07

Step by Step Solution

1. Step 1: Write the proportion equation
   1,544.73 : 2,131.89 = 1,151.07 : x
2. Step 2: Convert to fraction form
   1,544.73/2,131.89 = 1,151.07/x
3. Step 3: Cross multiply
   1,544.73x = 2,131.89 × 1,151.07
4. Step 4: Simplify right side
   1,544.73x = 2,453,954.62
5. Step 5: Solve for x
   x = 2,453,954.62/1,544.73
6. Step 6: Final answer
   x = 1,588.60