Finding the Fourth Proportional to 7,153.76, 10,732.71 and 2,991.62

Step by Step Solution

1. Step 1: Write the proportion equation
   7,153.76 : 10,732.71 = 2,991.62 : x
2. Step 2: Convert to fraction form
   7,153.76/10,732.71 = 2,991.62/x
3. Step 3: Cross multiply
   7,153.76x = 10,732.71 × 2,991.62
4. Step 4: Simplify right side
   7,153.76x = 32,108,189.89
5. Step 5: Solve for x
   x = 32,108,189.89/7,153.76
6. Step 6: Final answer
   x = 4,488.30