Finding the Fourth Proportional to 9,116.76, 12,580.94 and 5,083.98

Step by Step Solution

1. Step 1: Write the proportion equation
   9,116.76 : 12,580.94 = 5,083.98 : x
2. Step 2: Convert to fraction form
   9,116.76/12,580.94 = 5,083.98/x
3. Step 3: Cross multiply
   9,116.76x = 12,580.94 × 5,083.98
4. Step 4: Simplify right side
   9,116.76x = 63,961,221.92
5. Step 5: Solve for x
   x = 63,961,221.92/9,116.76
6. Step 6: Final answer
   x = 7,015.78