Finding the Fourth Proportional to 4,807.61, 7,215.86 and 2,962.33

Step by Step Solution

1. Step 1: Write the proportion equation
   4,807.61 : 7,215.86 = 2,962.33 : x
2. Step 2: Convert to fraction form
   4,807.61/7,215.86 = 2,962.33/x
3. Step 3: Cross multiply
   4,807.61x = 7,215.86 × 2,962.33
4. Step 4: Simplify right side
   4,807.61x = 21,375,747.92
5. Step 5: Solve for x
   x = 21,375,747.92/4,807.61
6. Step 6: Final answer
   x = 4,446.24