Finding the Fourth Proportional to 1,051.57, 1,575.46 and 846.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,051.57 : 1,575.46 = 846.24 : x
2. Step 2: Convert to fraction form
   1,051.57/1,575.46 = 846.24/x
3. Step 3: Cross multiply
   1,051.57x = 1,575.46 × 846.24
4. Step 4: Simplify right side
   1,051.57x = 1,333,217.27
5. Step 5: Solve for x
   x = 1,333,217.27/1,051.57
6. Step 6: Final answer
   x = 1,267.84