Finding the Fourth Proportional to 1,429.32, 2,145.06 and 1,045.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,429.32 : 2,145.06 = 1,045.56 : x
2. Step 2: Convert to fraction form
   1,429.32/2,145.06 = 1,045.56/x
3. Step 3: Cross multiply
   1,429.32x = 2,145.06 × 1,045.56
4. Step 4: Simplify right side
   1,429.32x = 2,242,788.93
5. Step 5: Solve for x
   x = 2,242,788.93/1,429.32
6. Step 6: Final answer
   x = 1,569.13