Finding the Fourth Proportional to 10,629.83, 15,945 and 5,083.76

Step by Step Solution

1. Step 1: Write the proportion equation
   10,629.83 : 15,945 = 5,083.76 : x
2. Step 2: Convert to fraction form
   10,629.83/15,945 = 5,083.76/x
3. Step 3: Cross multiply
   10,629.83x = 15,945 × 5,083.76
4. Step 4: Simplify right side
   10,629.83x = 81,060,473.48
5. Step 5: Solve for x
   x = 81,060,473.48/10,629.83
6. Step 6: Final answer
   x = 7,625.76