Finding the Fourth Proportional to 1,156.30, 1,595.71 and 632.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,156.30 : 1,595.71 = 632.32 : x
2. Step 2: Convert to fraction form
   1,156.30/1,595.71 = 632.32/x
3. Step 3: Cross multiply
   1,156.30x = 1,595.71 × 632.32
4. Step 4: Simplify right side
   1,156.30x = 1,008,996.15
5. Step 5: Solve for x
   x = 1,008,996.15/1,156.30
6. Step 6: Final answer
   x = 872.61