Finding the Fourth Proportional to 1,156.80, 1,595.24 and 714.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,156.80 : 1,595.24 = 714.61 : x
2. Step 2: Convert to fraction form
   1,156.80/1,595.24 = 714.61/x
3. Step 3: Cross multiply
   1,156.80x = 1,595.24 × 714.61
4. Step 4: Simplify right side
   1,156.80x = 1,139,974.46
5. Step 5: Solve for x
   x = 1,139,974.46/1,156.80
6. Step 6: Final answer
   x = 985.46