Finding the Fourth Proportional to 10,238.84, 15,357.62 and 5,040.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,238.84 : 15,357.62 = 5,040.12 : x
2. Step 2: Convert to fraction form
   10,238.84/15,357.62 = 5,040.12/x
3. Step 3: Cross multiply
   10,238.84x = 15,357.62 × 5,040.12
4. Step 4: Simplify right side
   10,238.84x = 77,404,247.71
5. Step 5: Solve for x
   x = 77,404,247.71/10,238.84
6. Step 6: Final answer
   x = 7,559.86