Finding the Fourth Proportional to 1,029.33, 1,420.06 and 656.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,029.33 : 1,420.06 = 656.25 : x
2. Step 2: Convert to fraction form
   1,029.33/1,420.06 = 656.25/x
3. Step 3: Cross multiply
   1,029.33x = 1,420.06 × 656.25
4. Step 4: Simplify right side
   1,029.33x = 931,914.78
5. Step 5: Solve for x
   x = 931,914.78/1,029.33
6. Step 6: Final answer
   x = 905.36