Finding the Fourth Proportional to 1,029.30, 1,419.69 and 655.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,029.30 : 1,419.69 = 655.89 : x
2. Step 2: Convert to fraction form
   1,029.30/1,419.69 = 655.89/x
3. Step 3: Cross multiply
   1,029.30x = 1,419.69 × 655.89
4. Step 4: Simplify right side
   1,029.30x = 931,160.47
5. Step 5: Solve for x
   x = 931,160.47/1,029.30
6. Step 6: Final answer
   x = 904.65