Finding the Fourth Proportional to 10,109.82, 15,164.87 and 4,270.53

Step by Step Solution

1. Step 1: Write the proportion equation
   10,109.82 : 15,164.87 = 4,270.53 : x
2. Step 2: Convert to fraction form
   10,109.82/15,164.87 = 4,270.53/x
3. Step 3: Cross multiply
   10,109.82x = 15,164.87 × 4,270.53
4. Step 4: Simplify right side
   10,109.82x = 64,762,010.93
5. Step 5: Solve for x
   x = 64,762,010.93/10,109.82
6. Step 6: Final answer
   x = 6,405.85