Finding the Fourth Proportional to 2,622.96, 3,929.12 and 1,234.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,622.96 : 3,929.12 = 1,234.32 : x
2. Step 2: Convert to fraction form
   2,622.96/3,929.12 = 1,234.32/x
3. Step 3: Cross multiply
   2,622.96x = 3,929.12 × 1,234.32
4. Step 4: Simplify right side
   2,622.96x = 4,849,791.40
5. Step 5: Solve for x
   x = 4,849,791.40/2,622.96
6. Step 6: Final answer
   x = 1,848.98