Finding the Fourth Proportional to 4,710.12, 7,064.28 and 1,788.72

Step by Step Solution

1. Step 1: Write the proportion equation
   4,710.12 : 7,064.28 = 1,788.72 : x
2. Step 2: Convert to fraction form
   4,710.12/7,064.28 = 1,788.72/x
3. Step 3: Cross multiply
   4,710.12x = 7,064.28 × 1,788.72
4. Step 4: Simplify right side
   4,710.12x = 12,636,018.92
5. Step 5: Solve for x
   x = 12,636,018.92/4,710.12
6. Step 6: Final answer
   x = 2,682.74