Finding the Fourth Proportional to 4,892.04, 7,339.74 and 1,429.80

Step by Step Solution

1. Step 1: Write the proportion equation
   4,892.04 : 7,339.74 = 1,429.80 : x
2. Step 2: Convert to fraction form
   4,892.04/7,339.74 = 1,429.80/x
3. Step 3: Cross multiply
   4,892.04x = 7,339.74 × 1,429.80
4. Step 4: Simplify right side
   4,892.04x = 10,494,360.25
5. Step 5: Solve for x
   x = 10,494,360.25/4,892.04
6. Step 6: Final answer
   x = 2,145.19