Finding the Fourth Proportional to 1,076.91, 1,485.57 and 651.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,076.91 : 1,485.57 = 651.30 : x
2. Step 2: Convert to fraction form
   1,076.91/1,485.57 = 651.30/x
3. Step 3: Cross multiply
   1,076.91x = 1,485.57 × 651.30
4. Step 4: Simplify right side
   1,076.91x = 967,551.74
5. Step 5: Solve for x
   x = 967,551.74/1,076.91
6. Step 6: Final answer
   x = 898.45