Finding the Fourth Proportional to 1,892.30, 2,837.58 and 1,047.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,892.30 : 2,837.58 = 1,047.43 : x
2. Step 2: Convert to fraction form
   1,892.30/2,837.58 = 1,047.43/x
3. Step 3: Cross multiply
   1,892.30x = 2,837.58 × 1,047.43
4. Step 4: Simplify right side
   1,892.30x = 2,972,170.89
5. Step 5: Solve for x
   x = 2,972,170.89/1,892.30
6. Step 6: Final answer
   x = 1,570.66