Finding the Fourth Proportional to 10,961.03, 16,443.98 and 5,114.45

Step by Step Solution

1. Step 1: Write the proportion equation
   10,961.03 : 16,443.98 = 5,114.45 : x
2. Step 2: Convert to fraction form
   10,961.03/16,443.98 = 5,114.45/x
3. Step 3: Cross multiply
   10,961.03x = 16,443.98 × 5,114.45
4. Step 4: Simplify right side
   10,961.03x = 84,101,886.56
5. Step 5: Solve for x
   x = 84,101,886.56/10,961.03
6. Step 6: Final answer
   x = 7,672.81