Finding the Fourth Proportional to 875.30, 1,260.27 and 875.30

Step by Step Solution

1. Step 1: Write the proportion equation
   875.30 : 1,260.27 = 875.30 : x
2. Step 2: Convert to fraction form
   875.30/1,260.27 = 875.30/x
3. Step 3: Cross multiply
   875.30x = 1,260.27 × 875.30
4. Step 4: Simplify right side
   875.30x = 1,103,114.33
5. Step 5: Solve for x
   x = 1,103,114.33/875.30
6. Step 6: Final answer
   x = 1,260.27