Finding the Fourth Proportional to 1,050.83, 1,573.50 and 684.51

Step by Step Solution

1. Step 1: Write the proportion equation
   1,050.83 : 1,573.50 = 684.51 : x
2. Step 2: Convert to fraction form
   1,050.83/1,573.50 = 684.51/x
3. Step 3: Cross multiply
   1,050.83x = 1,573.50 × 684.51
4. Step 4: Simplify right side
   1,050.83x = 1,077,076.49
5. Step 5: Solve for x
   x = 1,077,076.49/1,050.83
6. Step 6: Final answer
   x = 1,024.98