Finding the Fourth Proportional to 10,920.56, 16,368.02 and 5,064.84

Step by Step Solution

1. Step 1: Write the proportion equation
   10,920.56 : 16,368.02 = 5,064.84 : x
2. Step 2: Convert to fraction form
   10,920.56/16,368.02 = 5,064.84/x
3. Step 3: Cross multiply
   10,920.56x = 16,368.02 × 5,064.84
4. Step 4: Simplify right side
   10,920.56x = 82,901,402.42
5. Step 5: Solve for x
   x = 82,901,402.42/10,920.56
6. Step 6: Final answer
   x = 7,591.31