Finding the Fourth Proportional to 10,200.91, 15,301.34 and 5,756.56

Step by Step Solution

1. Step 1: Write the proportion equation
   10,200.91 : 15,301.34 = 5,756.56 : x
2. Step 2: Convert to fraction form
   10,200.91/15,301.34 = 5,756.56/x
3. Step 3: Cross multiply
   10,200.91x = 15,301.34 × 5,756.56
4. Step 4: Simplify right side
   10,200.91x = 88,083,005.28
5. Step 5: Solve for x
   x = 88,083,005.28/10,200.91
6. Step 6: Final answer
   x = 8,634.82