Finding the Fourth Proportional to 1,485.36, 2,050.72 and 1,031.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,485.36 : 2,050.72 = 1,031.94 : x
2. Step 2: Convert to fraction form
   1,485.36/2,050.72 = 1,031.94/x
3. Step 3: Cross multiply
   1,485.36x = 2,050.72 × 1,031.94
4. Step 4: Simplify right side
   1,485.36x = 2,116,220.00
5. Step 5: Solve for x
   x = 2,116,220.00/1,485.36
6. Step 6: Final answer
   x = 1,424.72