Finding the Fourth Proportional to 1,157.34, 1,737.23 and 1,131.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,157.34 : 1,737.23 = 1,131.22 : x
2. Step 2: Convert to fraction form
   1,157.34/1,737.23 = 1,131.22/x
3. Step 3: Cross multiply
   1,157.34x = 1,737.23 × 1,131.22
4. Step 4: Simplify right side
   1,157.34x = 1,965,189.32
5. Step 5: Solve for x
   x = 1,965,189.32/1,157.34
6. Step 6: Final answer
   x = 1,698.02