Finding the Fourth Proportional to 1,018.42, 1,525.49 and 651.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,018.42 : 1,525.49 = 651.34 : x
2. Step 2: Convert to fraction form
   1,018.42/1,525.49 = 651.34/x
3. Step 3: Cross multiply
   1,018.42x = 1,525.49 × 651.34
4. Step 4: Simplify right side
   1,018.42x = 993,612.66
5. Step 5: Solve for x
   x = 993,612.66/1,018.42
6. Step 6: Final answer
   x = 975.64