Finding the Fourth Proportional to 2,146.22, 2,962.17 and 1,558.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,146.22 : 2,962.17 = 1,558.47 : x
2. Step 2: Convert to fraction form
   2,146.22/2,962.17 = 1,558.47/x
3. Step 3: Cross multiply
   2,146.22x = 2,962.17 × 1,558.47
4. Step 4: Simplify right side
   2,146.22x = 4,616,436.13
5. Step 5: Solve for x
   x = 4,616,436.13/2,146.22
6. Step 6: Final answer
   x = 2,150.96