Finding the Fourth Proportional to 1,429.95, 2,141.82 and 1,395.11

Step by Step Solution

1. Step 1: Write the proportion equation
   1,429.95 : 2,141.82 = 1,395.11 : x
2. Step 2: Convert to fraction form
   1,429.95/2,141.82 = 1,395.11/x
3. Step 3: Cross multiply
   1,429.95x = 2,141.82 × 1,395.11
4. Step 4: Simplify right side
   1,429.95x = 2,988,063.79
5. Step 5: Solve for x
   x = 2,988,063.79/1,429.95
6. Step 6: Final answer
   x = 2,089.63