Finding the Fourth Proportional to 1,025.81, 1,415.94 and 606.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,025.81 : 1,415.94 = 606.15 : x
2. Step 2: Convert to fraction form
   1,025.81/1,415.94 = 606.15/x
3. Step 3: Cross multiply
   1,025.81x = 1,415.94 × 606.15
4. Step 4: Simplify right side
   1,025.81x = 858,272.03
5. Step 5: Solve for x
   x = 858,272.03/1,025.81
6. Step 6: Final answer
   x = 836.68