Finding the Fourth Proportional to 1,059.48, 1,462.86 and 911.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,059.48 : 1,462.86 = 911.25 : x
2. Step 2: Convert to fraction form
   1,059.48/1,462.86 = 911.25/x
3. Step 3: Cross multiply
   1,059.48x = 1,462.86 × 911.25
4. Step 4: Simplify right side
   1,059.48x = 1,333,031.18
5. Step 5: Solve for x
   x = 1,333,031.18/1,059.48
6. Step 6: Final answer
   x = 1,258.19