Finding the Fourth Proportional to 7,326.25, 10,109.63 and 4,139.82

Step by Step Solution

1. Step 1: Write the proportion equation
   7,326.25 : 10,109.63 = 4,139.82 : x
2. Step 2: Convert to fraction form
   7,326.25/10,109.63 = 4,139.82/x
3. Step 3: Cross multiply
   7,326.25x = 10,109.63 × 4,139.82
4. Step 4: Simplify right side
   7,326.25x = 41,852,058.82
5. Step 5: Solve for x
   x = 41,852,058.82/7,326.25
6. Step 6: Final answer
   x = 5,712.62