Finding the Fourth Proportional to 1,153.32, 1,591.59 and 629.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,153.32 : 1,591.59 = 629.37 : x
2. Step 2: Convert to fraction form
   1,153.32/1,591.59 = 629.37/x
3. Step 3: Cross multiply
   1,153.32x = 1,591.59 × 629.37
4. Step 4: Simplify right side
   1,153.32x = 1,001,699.00
5. Step 5: Solve for x
   x = 1,001,699.00/1,153.32
6. Step 6: Final answer
   x = 868.54