Finding the Fourth Proportional to 13,909.41, 19,196.60 and 7,941.94

Step by Step Solution

1. Step 1: Write the proportion equation
   13,909.41 : 19,196.60 = 7,941.94 : x
2. Step 2: Convert to fraction form
   13,909.41/19,196.60 = 7,941.94/x
3. Step 3: Cross multiply
   13,909.41x = 19,196.60 × 7,941.94
4. Step 4: Simplify right side
   13,909.41x = 152,458,157.70
5. Step 5: Solve for x
   x = 152,458,157.70/13,909.41
6. Step 6: Final answer
   x = 10,960.79