Finding the Fourth Proportional to 1,564.12, 2,342.71 and 1,124.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,564.12 : 2,342.71 = 1,124.05 : x
2. Step 2: Convert to fraction form
   1,564.12/2,342.71 = 1,124.05/x
3. Step 3: Cross multiply
   1,564.12x = 2,342.71 × 1,124.05
4. Step 4: Simplify right side
   1,564.12x = 2,633,317.56
5. Step 5: Solve for x
   x = 2,633,317.56/1,564.12
6. Step 6: Final answer
   x = 1,683.58