Finding the Fourth Proportional to 12,411.95, 17,132.48 and 7,947.73

Step by Step Solution

1. Step 1: Write the proportion equation
   12,411.95 : 17,132.48 = 7,947.73 : x
2. Step 2: Convert to fraction form
   12,411.95/17,132.48 = 7,947.73/x
3. Step 3: Cross multiply
   12,411.95x = 17,132.48 × 7,947.73
4. Step 4: Simplify right side
   12,411.95x = 136,164,199.87
5. Step 5: Solve for x
   x = 136,164,199.87/12,411.95
6. Step 6: Final answer
   x = 10,970.41