Finding the Fourth Proportional to 1,048.37, 1,445.96 and 693.65

Step by Step Solution

1. Step 1: Write the proportion equation
   1,048.37 : 1,445.96 = 693.65 : x
2. Step 2: Convert to fraction form
   1,048.37/1,445.96 = 693.65/x
3. Step 3: Cross multiply
   1,048.37x = 1,445.96 × 693.65
4. Step 4: Simplify right side
   1,048.37x = 1,002,995.50
5. Step 5: Solve for x
   x = 1,002,995.50/1,048.37
6. Step 6: Final answer
   x = 956.72