Finding the Fourth Proportional to 1,051.12, 1,574.52 and 844.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,051.12 : 1,574.52 = 844.57 : x
2. Step 2: Convert to fraction form
   1,051.12/1,574.52 = 844.57/x
3. Step 3: Cross multiply
   1,051.12x = 1,574.52 × 844.57
4. Step 4: Simplify right side
   1,051.12x = 1,329,792.36
5. Step 5: Solve for x
   x = 1,329,792.36/1,051.12
6. Step 6: Final answer
   x = 1,265.12