Finding the Fourth Proportional to 1,181.37, 1,630.37 and 657.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,181.37 : 1,630.37 = 657.41 : x
2. Step 2: Convert to fraction form
   1,181.37/1,630.37 = 657.41/x
3. Step 3: Cross multiply
   1,181.37x = 1,630.37 × 657.41
4. Step 4: Simplify right side
   1,181.37x = 1,071,810.10
5. Step 5: Solve for x
   x = 1,071,810.10/1,181.37
6. Step 6: Final answer
   x = 907.26