Finding the Fourth Proportional to 1,153.82, 1,592.30 and 629.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,153.82 : 1,592.30 = 629.88 : x
2. Step 2: Convert to fraction form
   1,153.82/1,592.30 = 629.88/x
3. Step 3: Cross multiply
   1,153.82x = 1,592.30 × 629.88
4. Step 4: Simplify right side
   1,153.82x = 1,002,954.77
5. Step 5: Solve for x
   x = 1,002,954.77/1,153.82
6. Step 6: Final answer
   x = 869.25