Finding the Fourth Proportional to 10,878.72, 14,994.36 and 8,325.60

Step by Step Solution

1. Step 1: Write the proportion equation
   10,878.72 : 14,994.36 = 8,325.60 : x
2. Step 2: Convert to fraction form
   10,878.72/14,994.36 = 8,325.60/x
3. Step 3: Cross multiply
   10,878.72x = 14,994.36 × 8,325.60
4. Step 4: Simplify right side
   10,878.72x = 124,837,043.62
5. Step 5: Solve for x
   x = 124,837,043.62/10,878.72
6. Step 6: Final answer
   x = 11,475.34