Finding the Fourth Proportional to 1,359.16, 1,876.56 and 1,029.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,359.16 : 1,876.56 = 1,029.38 : x
2. Step 2: Convert to fraction form
   1,359.16/1,876.56 = 1,029.38/x
3. Step 3: Cross multiply
   1,359.16x = 1,876.56 × 1,029.38
4. Step 4: Simplify right side
   1,359.16x = 1,931,698.02
5. Step 5: Solve for x
   x = 1,931,698.02/1,359.16
6. Step 6: Final answer
   x = 1,421.25