Finding the Fourth Proportional to 1,047.32, 1,570.67 and 684.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,047.32 : 1,570.67 = 684.03 : x
2. Step 2: Convert to fraction form
   1,047.32/1,570.67 = 684.03/x
3. Step 3: Cross multiply
   1,047.32x = 1,570.67 × 684.03
4. Step 4: Simplify right side
   1,047.32x = 1,074,381.98
5. Step 5: Solve for x
   x = 1,074,381.98/1,047.32
6. Step 6: Final answer
   x = 1,025.84