Finding the Fourth Proportional to 10,080.12, 15,117.75 and 3,839.88

Step by Step Solution

1. Step 1: Write the proportion equation
   10,080.12 : 15,117.75 = 3,839.88 : x
2. Step 2: Convert to fraction form
   10,080.12/15,117.75 = 3,839.88/x
3. Step 3: Cross multiply
   10,080.12x = 15,117.75 × 3,839.88
4. Step 4: Simplify right side
   10,080.12x = 58,050,345.87
5. Step 5: Solve for x
   x = 58,050,345.87/10,080.12
6. Step 6: Final answer
   x = 5,758.89