Finding the Fourth Proportional to 10,061.12, 15,069 and 4,857.68

Step by Step Solution

1. Step 1: Write the proportion equation
   10,061.12 : 15,069 = 4,857.68 : x
2. Step 2: Convert to fraction form
   10,061.12/15,069 = 4,857.68/x
3. Step 3: Cross multiply
   10,061.12x = 15,069 × 4,857.68
4. Step 4: Simplify right side
   10,061.12x = 73,200,379.92
5. Step 5: Solve for x
   x = 73,200,379.92/10,061.12
6. Step 6: Final answer
   x = 7,275.57