Finding the Fourth Proportional to 13,909.57, 19,195.52 and 7,941.12

Step by Step Solution

1. Step 1: Write the proportion equation
   13,909.57 : 19,195.52 = 7,941.12 : x
2. Step 2: Convert to fraction form
   13,909.57/19,195.52 = 7,941.12/x
3. Step 3: Cross multiply
   13,909.57x = 19,195.52 × 7,941.12
4. Step 4: Simplify right side
   13,909.57x = 152,433,927.78
5. Step 5: Solve for x
   x = 152,433,927.78/13,909.57
6. Step 6: Final answer
   x = 10,958.92