Finding the Fourth Proportional to 4,710.01, 7,066.29 and 1,423.21

Step by Step Solution

1. Step 1: Write the proportion equation
   4,710.01 : 7,066.29 = 1,423.21 : x
2. Step 2: Convert to fraction form
   4,710.01/7,066.29 = 1,423.21/x
3. Step 3: Cross multiply
   4,710.01x = 7,066.29 × 1,423.21
4. Step 4: Simplify right side
   4,710.01x = 10,056,814.59
5. Step 5: Solve for x
   x = 10,056,814.59/4,710.01
6. Step 6: Final answer
   x = 2,135.20