Finding the Fourth Proportional to 1,505.34, 2,262.47 and 1,247.00

Step by Step Solution

1. Step 1: Write the proportion equation
   1,505.34 : 2,262.47 = 1,247.00 : x
2. Step 2: Convert to fraction form
   1,505.34/2,262.47 = 1,247.00/x
3. Step 3: Cross multiply
   1,505.34x = 2,262.47 × 1,247.00
4. Step 4: Simplify right side
   1,505.34x = 2,821,282.54
5. Step 5: Solve for x
   x = 2,821,282.54/1,505.34
6. Step 6: Final answer
   x = 1,874.18