Finding the Fourth Proportional to 1,629.32, 2,250.79 and 1,131.77

Step by Step Solution

1. Step 1: Write the proportion equation
   1,629.32 : 2,250.79 = 1,131.77 : x
2. Step 2: Convert to fraction form
   1,629.32/2,250.79 = 1,131.77/x
3. Step 3: Cross multiply
   1,629.32x = 2,250.79 × 1,131.77
4. Step 4: Simplify right side
   1,629.32x = 2,547,379.40
5. Step 5: Solve for x
   x = 2,547,379.40/1,629.32
6. Step 6: Final answer
   x = 1,563.47