Finding the Fourth Proportional to 3,472.31, 4,788.88 and 2,213.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,472.31 : 4,788.88 = 2,213.42 : x
2. Step 2: Convert to fraction form
   3,472.31/4,788.88 = 2,213.42/x
3. Step 3: Cross multiply
   3,472.31x = 4,788.88 × 2,213.42
4. Step 4: Simplify right side
   3,472.31x = 10,599,802.77
5. Step 5: Solve for x
   x = 10,599,802.77/3,472.31
6. Step 6: Final answer
   x = 3,052.67