Finding the Fourth Proportional to 9,983.96, 13,777.63 and 5,736.39

Step by Step Solution

1. Step 1: Write the proportion equation
   9,983.96 : 13,777.63 = 5,736.39 : x
2. Step 2: Convert to fraction form
   9,983.96/13,777.63 = 5,736.39/x
3. Step 3: Cross multiply
   9,983.96x = 13,777.63 × 5,736.39
4. Step 4: Simplify right side
   9,983.96x = 79,033,792.95
5. Step 5: Solve for x
   x = 79,033,792.95/9,983.96
6. Step 6: Final answer
   x = 7,916.08