Finding the Fourth Proportional to 1,328.01, 1,824.71 and 1,242.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,328.01 : 1,824.71 = 1,242.69 : x
2. Step 2: Convert to fraction form
   1,328.01/1,824.71 = 1,242.69/x
3. Step 3: Cross multiply
   1,328.01x = 1,824.71 × 1,242.69
4. Step 4: Simplify right side
   1,328.01x = 2,267,548.87
5. Step 5: Solve for x
   x = 2,267,548.87/1,328.01
6. Step 6: Final answer
   x = 1,707.48