Finding the Fourth Proportional to 1,124.01, 1,681.43 and 949.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,124.01 : 1,681.43 = 949.59 : x
2. Step 2: Convert to fraction form
   1,124.01/1,681.43 = 949.59/x
3. Step 3: Cross multiply
   1,124.01x = 1,681.43 × 949.59
4. Step 4: Simplify right side
   1,124.01x = 1,596,664.37
5. Step 5: Solve for x
   x = 1,596,664.37/1,124.01
6. Step 6: Final answer
   x = 1,420.51