Finding the Fourth Proportional to 4,710.45, 7,065.95 and 1,423.88

Step by Step Solution

1. Step 1: Write the proportion equation
   4,710.45 : 7,065.95 = 1,423.88 : x
2. Step 2: Convert to fraction form
   4,710.45/7,065.95 = 1,423.88/x
3. Step 3: Cross multiply
   4,710.45x = 7,065.95 × 1,423.88
4. Step 4: Simplify right side
   4,710.45x = 10,061,064.89
5. Step 5: Solve for x
   x = 10,061,064.89/4,710.45
6. Step 6: Final answer
   x = 2,135.90