Finding the Fourth Proportional to 1,146.63, 1,581.81 and 704.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,146.63 : 1,581.81 = 704.37 : x
2. Step 2: Convert to fraction form
   1,146.63/1,581.81 = 704.37/x
3. Step 3: Cross multiply
   1,146.63x = 1,581.81 × 704.37
4. Step 4: Simplify right side
   1,146.63x = 1,114,179.51
5. Step 5: Solve for x
   x = 1,114,179.51/1,146.63
6. Step 6: Final answer
   x = 971.70