Finding the Fourth Proportional to 1,570.38, 2,167.73 and 1,047.93

Step by Step Solution

1. Step 1: Write the proportion equation
   1,570.38 : 2,167.73 = 1,047.93 : x
2. Step 2: Convert to fraction form
   1,570.38/2,167.73 = 1,047.93/x
3. Step 3: Cross multiply
   1,570.38x = 2,167.73 × 1,047.93
4. Step 4: Simplify right side
   1,570.38x = 2,271,629.30
5. Step 5: Solve for x
   x = 2,271,629.30/1,570.38
6. Step 6: Final answer
   x = 1,446.55