Finding the Fourth Proportional to 5,127.33, 7,690.96 and 1,429.56

Step by Step Solution

1. Step 1: Write the proportion equation
   5,127.33 : 7,690.96 = 1,429.56 : x
2. Step 2: Convert to fraction form
   5,127.33/7,690.96 = 1,429.56/x
3. Step 3: Cross multiply
   5,127.33x = 7,690.96 × 1,429.56
4. Step 4: Simplify right side
   5,127.33x = 10,994,688.78
5. Step 5: Solve for x
   x = 10,994,688.78/5,127.33
6. Step 6: Final answer
   x = 2,144.33