Finding the Fourth Proportional to 1,154.50, 1,593.54 and 657.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,154.50 : 1,593.54 = 657.41 : x
2. Step 2: Convert to fraction form
   1,154.50/1,593.54 = 657.41/x
3. Step 3: Cross multiply
   1,154.50x = 1,593.54 × 657.41
4. Step 4: Simplify right side
   1,154.50x = 1,047,597.88
5. Step 5: Solve for x
   x = 1,047,597.88/1,154.50
6. Step 6: Final answer
   x = 907.41