Finding the Fourth Proportional to 2,962.72, 4,445.12 and 2,962.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,962.72 : 4,445.12 = 2,962.72 : x
2. Step 2: Convert to fraction form
   2,962.72/4,445.12 = 2,962.72/x
3. Step 3: Cross multiply
   2,962.72x = 4,445.12 × 2,962.72
4. Step 4: Simplify right side
   2,962.72x = 13,169,645.93
5. Step 5: Solve for x
   x = 13,169,645.93/2,962.72
6. Step 6: Final answer
   x = 4,445.12