Finding the Fourth Proportional to 2,477.89, 3,419.46 and 1,429.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,477.89 : 3,419.46 = 1,429.93 : x
2. Step 2: Convert to fraction form
   2,477.89/3,419.46 = 1,429.93/x
3. Step 3: Cross multiply
   2,477.89x = 3,419.46 × 1,429.93
4. Step 4: Simplify right side
   2,477.89x = 4,889,588.44
5. Step 5: Solve for x
   x = 4,889,588.44/2,477.89
6. Step 6: Final answer
   x = 1,973.29