Finding the Fourth Proportional to 1,485.59, 2,048.94 and 953.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,485.59 : 2,048.94 = 953.88 : x
2. Step 2: Convert to fraction form
   1,485.59/2,048.94 = 953.88/x
3. Step 3: Cross multiply
   1,485.59x = 2,048.94 × 953.88
4. Step 4: Simplify right side
   1,485.59x = 1,954,442.89
5. Step 5: Solve for x
   x = 1,954,442.89/1,485.59
6. Step 6: Final answer
   x = 1,315.60