Finding the Fourth Proportional to 2,443.47, 3,666.23 and 1,056.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,443.47 : 3,666.23 = 1,056.09 : x
2. Step 2: Convert to fraction form
   2,443.47/3,666.23 = 1,056.09/x
3. Step 3: Cross multiply
   2,443.47x = 3,666.23 × 1,056.09
4. Step 4: Simplify right side
   2,443.47x = 3,871,881.27
5. Step 5: Solve for x
   x = 3,871,881.27/2,443.47
6. Step 6: Final answer
   x = 1,584.59