Finding the Fourth Proportional to 1,018.51, 1,526.37 and 671.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,018.51 : 1,526.37 = 671.32 : x
2. Step 2: Convert to fraction form
   1,018.51/1,526.37 = 671.32/x
3. Step 3: Cross multiply
   1,018.51x = 1,526.37 × 671.32
4. Step 4: Simplify right side
   1,018.51x = 1,024,682.71
5. Step 5: Solve for x
   x = 1,024,682.71/1,018.51
6. Step 6: Final answer
   x = 1,006.06