Finding the Fourth Proportional to 1,156.42, 1,595.84 and 632.45

Step by Step Solution

1. Step 1: Write the proportion equation
   1,156.42 : 1,595.84 = 632.45 : x
2. Step 2: Convert to fraction form
   1,156.42/1,595.84 = 632.45/x
3. Step 3: Cross multiply
   1,156.42x = 1,595.84 × 632.45
4. Step 4: Simplify right side
   1,156.42x = 1,009,289.01
5. Step 5: Solve for x
   x = 1,009,289.01/1,156.42
6. Step 6: Final answer
   x = 872.77