Finding the Fourth Proportional to 1,158.38, 1,598.51 and 654.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,158.38 : 1,598.51 = 654.22 : x
2. Step 2: Convert to fraction form
   1,158.38/1,598.51 = 654.22/x
3. Step 3: Cross multiply
   1,158.38x = 1,598.51 × 654.22
4. Step 4: Simplify right side
   1,158.38x = 1,045,777.21
5. Step 5: Solve for x
   x = 1,045,777.21/1,158.38
6. Step 6: Final answer
   x = 902.79