Finding the Fourth Proportional to 1,429.82, 2,145.54 and 943.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,429.82 : 2,145.54 = 943.10 : x
2. Step 2: Convert to fraction form
   1,429.82/2,145.54 = 943.10/x
3. Step 3: Cross multiply
   1,429.82x = 2,145.54 × 943.10
4. Step 4: Simplify right side
   1,429.82x = 2,023,458.77
5. Step 5: Solve for x
   x = 2,023,458.77/1,429.82
6. Step 6: Final answer
   x = 1,415.18