Finding the Fourth Proportional to 1,061.48, 1,465.62 and 913.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061.48 : 1,465.62 = 913.25 : x
2. Step 2: Convert to fraction form
   1,061.48/1,465.62 = 913.25/x
3. Step 3: Cross multiply
   1,061.48x = 1,465.62 × 913.25
4. Step 4: Simplify right side
   1,061.48x = 1,338,477.47
5. Step 5: Solve for x
   x = 1,338,477.47/1,061.48
6. Step 6: Final answer
   x = 1,260.95