Finding the Fourth Proportional to 1,156.70, 1,596.23 and 632.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,156.70 : 1,596.23 = 632.72 : x
2. Step 2: Convert to fraction form
   1,156.70/1,596.23 = 632.72/x
3. Step 3: Cross multiply
   1,156.70x = 1,596.23 × 632.72
4. Step 4: Simplify right side
   1,156.70x = 1,009,955.50
5. Step 5: Solve for x
   x = 1,009,955.50/1,156.70
6. Step 6: Final answer
   x = 873.14