Finding the Fourth Proportional to 10,876.49, 15,011.72 and 7,100.27

Step by Step Solution

1. Step 1: Write the proportion equation
   10,876.49 : 15,011.72 = 7,100.27 : x
2. Step 2: Convert to fraction form
   10,876.49/15,011.72 = 7,100.27/x
3. Step 3: Cross multiply
   10,876.49x = 15,011.72 × 7,100.27
4. Step 4: Simplify right side
   10,876.49x = 106,587,265.16
5. Step 5: Solve for x
   x = 106,587,265.16/10,876.49
6. Step 6: Final answer
   x = 9,799.79