Finding the Fourth Proportional to 1,010.52, 1,393.74 and 651.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,010.52 : 1,393.74 = 651.48 : x
2. Step 2: Convert to fraction form
   1,010.52/1,393.74 = 651.48/x
3. Step 3: Cross multiply
   1,010.52x = 1,393.74 × 651.48
4. Step 4: Simplify right side
   1,010.52x = 907,993.74
5. Step 5: Solve for x
   x = 907,993.74/1,010.52
6. Step 6: Final answer
   x = 898.54