Finding the Fourth Proportional to 7,275.34, 10,913.72 and 2,891.82

Step by Step Solution

1. Step 1: Write the proportion equation
   7,275.34 : 10,913.72 = 2,891.82 : x
2. Step 2: Convert to fraction form
   7,275.34/10,913.72 = 2,891.82/x
3. Step 3: Cross multiply
   7,275.34x = 10,913.72 × 2,891.82
4. Step 4: Simplify right side
   7,275.34x = 31,560,513.77
5. Step 5: Solve for x
   x = 31,560,513.77/7,275.34
6. Step 6: Final answer
   x = 4,338.01