Finding the Fourth Proportional to 10,575.86, 15,852.32 and 6,880.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,575.86 : 15,852.32 = 6,880.72 : x
2. Step 2: Convert to fraction form
   10,575.86/15,852.32 = 6,880.72/x
3. Step 3: Cross multiply
   10,575.86x = 15,852.32 × 6,880.72
4. Step 4: Simplify right side
   10,575.86x = 109,075,375.27
5. Step 5: Solve for x
   x = 109,075,375.27/10,575.86
6. Step 6: Final answer
   x = 10,313.62