Finding the Fourth Proportional to 1,500.48, 2,247.56 and 978.17

Step by Step Solution

1. Step 1: Write the proportion equation
   1,500.48 : 2,247.56 = 978.17 : x
2. Step 2: Convert to fraction form
   1,500.48/2,247.56 = 978.17/x
3. Step 3: Cross multiply
   1,500.48x = 2,247.56 × 978.17
4. Step 4: Simplify right side
   1,500.48x = 2,198,495.40
5. Step 5: Solve for x
   x = 2,198,495.40/1,500.48
6. Step 6: Final answer
   x = 1,465.19