Finding the Fourth Proportional to 9,083.51, 12,530.79 and 5,540.57

Step by Step Solution

1. Step 1: Write the proportion equation
   9,083.51 : 12,530.79 = 5,540.57 : x
2. Step 2: Convert to fraction form
   9,083.51/12,530.79 = 5,540.57/x
3. Step 3: Cross multiply
   9,083.51x = 12,530.79 × 5,540.57
4. Step 4: Simplify right side
   9,083.51x = 69,427,656.50
5. Step 5: Solve for x
   x = 69,427,656.50/9,083.51
6. Step 6: Final answer
   x = 7,643.27