Finding the Fourth Proportional to 1,156.21, 1,595.57 and 632.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,156.21 : 1,595.57 = 632.24 : x
2. Step 2: Convert to fraction form
   1,156.21/1,595.57 = 632.24/x
3. Step 3: Cross multiply
   1,156.21x = 1,595.57 × 632.24
4. Step 4: Simplify right side
   1,156.21x = 1,008,783.18
5. Step 5: Solve for x
   x = 1,008,783.18/1,156.21
6. Step 6: Final answer
   x = 872.49