Finding the Fourth Proportional to 4,715.91, 7,075.71 and 1,429.35

Step by Step Solution

1. Step 1: Write the proportion equation
   4,715.91 : 7,075.71 = 1,429.35 : x
2. Step 2: Convert to fraction form
   4,715.91/7,075.71 = 1,429.35/x
3. Step 3: Cross multiply
   4,715.91x = 7,075.71 × 1,429.35
4. Step 4: Simplify right side
   4,715.91x = 10,113,666.09
5. Step 5: Solve for x
   x = 10,113,666.09/4,715.91
6. Step 6: Final answer
   x = 2,144.58