Finding the Fourth Proportional to 7,953.79, 10,965.90 and 5,116.09

Step by Step Solution

1. Step 1: Write the proportion equation
   7,953.79 : 10,965.90 = 5,116.09 : x
2. Step 2: Convert to fraction form
   7,953.79/10,965.90 = 5,116.09/x
3. Step 3: Cross multiply
   7,953.79x = 10,965.90 × 5,116.09
4. Step 4: Simplify right side
   7,953.79x = 56,102,531.33
5. Step 5: Solve for x
   x = 56,102,531.33/7,953.79
6. Step 6: Final answer
   x = 7,053.56