Finding the Fourth Proportional to 1,158.48, 1,598.52 and 692.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,158.48 : 1,598.52 = 692.88 : x
2. Step 2: Convert to fraction form
   1,158.48/1,598.52 = 692.88/x
3. Step 3: Cross multiply
   1,158.48x = 1,598.52 × 692.88
4. Step 4: Simplify right side
   1,158.48x = 1,107,582.54
5. Step 5: Solve for x
   x = 1,107,582.54/1,158.48
6. Step 6: Final answer
   x = 956.07