Finding the Fourth Proportional to 20,101.69, 30,153.98 and 5,310.46

Step by Step Solution

1. Step 1: Write the proportion equation
   20,101.69 : 30,153.98 = 5,310.46 : x
2. Step 2: Convert to fraction form
   20,101.69/30,153.98 = 5,310.46/x
3. Step 3: Cross multiply
   20,101.69x = 30,153.98 × 5,310.46
4. Step 4: Simplify right side
   20,101.69x = 160,131,504.63
5. Step 5: Solve for x
   x = 160,131,504.63/20,101.69
6. Step 6: Final answer
   x = 7,966.07