Finding the Fourth Proportional to 4,962.32, 7,443.76 and 1,630.78

Step by Step Solution

1. Step 1: Write the proportion equation
   4,962.32 : 7,443.76 = 1,630.78 : x
2. Step 2: Convert to fraction form
   4,962.32/7,443.76 = 1,630.78/x
3. Step 3: Cross multiply
   4,962.32x = 7,443.76 × 1,630.78
4. Step 4: Simplify right side
   4,962.32x = 12,139,134.93
5. Step 5: Solve for x
   x = 12,139,134.93/4,962.32
6. Step 6: Final answer
   x = 2,446.26