Finding the Fourth Proportional to 7,127.34, 10,689.72 and 3,230.82

Step by Step Solution

1. Step 1: Write the proportion equation
   7,127.34 : 10,689.72 = 3,230.82 : x
2. Step 2: Convert to fraction form
   7,127.34/10,689.72 = 3,230.82/x
3. Step 3: Cross multiply
   7,127.34x = 10,689.72 × 3,230.82
4. Step 4: Simplify right side
   7,127.34x = 34,536,561.17
5. Step 5: Solve for x
   x = 34,536,561.17/7,127.34
6. Step 6: Final answer
   x = 4,845.65