Finding the Fourth Proportional to 10,941.86, 16,415.94 and 5,396.90

Step by Step Solution

1. Step 1: Write the proportion equation
   10,941.86 : 16,415.94 = 5,396.90 : x
2. Step 2: Convert to fraction form
   10,941.86/16,415.94 = 5,396.90/x
3. Step 3: Cross multiply
   10,941.86x = 16,415.94 × 5,396.90
4. Step 4: Simplify right side
   10,941.86x = 88,595,186.59
5. Step 5: Solve for x
   x = 88,595,186.59/10,941.86
6. Step 6: Final answer
   x = 8,096.90