Finding the Fourth Proportional to 10,874.18, 16,307.80 and 5,607.56

Step by Step Solution

1. Step 1: Write the proportion equation
   10,874.18 : 16,307.80 = 5,607.56 : x
2. Step 2: Convert to fraction form
   10,874.18/16,307.80 = 5,607.56/x
3. Step 3: Cross multiply
   10,874.18x = 16,307.80 × 5,607.56
4. Step 4: Simplify right side
   10,874.18x = 91,446,993.72
5. Step 5: Solve for x
   x = 91,446,993.72/10,874.18
6. Step 6: Final answer
   x = 8,409.55