Finding the Fourth Proportional to 2,748.51, 4,120.93 and 1,429.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,748.51 : 4,120.93 = 1,429.02 : x
2. Step 2: Convert to fraction form
   2,748.51/4,120.93 = 1,429.02/x
3. Step 3: Cross multiply
   2,748.51x = 4,120.93 × 1,429.02
4. Step 4: Simplify right side
   2,748.51x = 5,888,891.39
5. Step 5: Solve for x
   x = 5,888,891.39/2,748.51
6. Step 6: Final answer
   x = 2,142.58