Finding the Fourth Proportional to 8,483.72, 11,700.38 and 5,459.31

Step by Step Solution

1. Step 1: Write the proportion equation
   8,483.72 : 11,700.38 = 5,459.31 : x
2. Step 2: Convert to fraction form
   8,483.72/11,700.38 = 5,459.31/x
3. Step 3: Cross multiply
   8,483.72x = 11,700.38 × 5,459.31
4. Step 4: Simplify right side
   8,483.72x = 63,876,015.19
5. Step 5: Solve for x
   x = 63,876,015.19/8,483.72
6. Step 6: Final answer
   x = 7,529.25