Finding the Fourth Proportional to 1,156.40, 1,595.83 and 632.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,156.40 : 1,595.83 = 632.43 : x
2. Step 2: Convert to fraction form
   1,156.40/1,595.83 = 632.43/x
3. Step 3: Cross multiply
   1,156.40x = 1,595.83 × 632.43
4. Step 4: Simplify right side
   1,156.40x = 1,009,250.77
5. Step 5: Solve for x
   x = 1,009,250.77/1,156.40
6. Step 6: Final answer
   x = 872.75