Finding the Fourth Proportional to 1,156.51, 1,597.22 and 1,018

Step by Step Solution

1. Step 1: Write the proportion equation
   1,156.51 : 1,597.22 = 1,018 : x
2. Step 2: Convert to fraction form
   1,156.51/1,597.22 = 1,018/x
3. Step 3: Cross multiply
   1,156.51x = 1,597.22 × 1,018
4. Step 4: Simplify right side
   1,156.51x = 1,625,969.96
5. Step 5: Solve for x
   x = 1,625,969.96/1,156.51
6. Step 6: Final answer
   x = 1,405.93