Finding the Fourth Proportional to 10,902.20, 16,341.94 and 5,054

Step by Step Solution

1. Step 1: Write the proportion equation
   10,902.20 : 16,341.94 = 5,054 : x
2. Step 2: Convert to fraction form
   10,902.20/16,341.94 = 5,054/x
3. Step 3: Cross multiply
   10,902.20x = 16,341.94 × 5,054
4. Step 4: Simplify right side
   10,902.20x = 82,592,164.76
5. Step 5: Solve for x
   x = 82,592,164.76/10,902.20
6. Step 6: Final answer
   x = 7,575.73