Finding the Fourth Proportional to 10,078.72, 13,907.52 and 6,045.28

Step by Step Solution

1. Step 1: Write the proportion equation
   10,078.72 : 13,907.52 = 6,045.28 : x
2. Step 2: Convert to fraction form
   10,078.72/13,907.52 = 6,045.28/x
3. Step 3: Cross multiply
   10,078.72x = 13,907.52 × 6,045.28
4. Step 4: Simplify right side
   10,078.72x = 84,074,852.51
5. Step 5: Solve for x
   x = 84,074,852.51/10,078.72
6. Step 6: Final answer
   x = 8,341.82