Finding the Fourth Proportional to 17,905.86, 24,709.95 and 9,947.94

Step by Step Solution

1. Step 1: Write the proportion equation
   17,905.86 : 24,709.95 = 9,947.94 : x
2. Step 2: Convert to fraction form
   17,905.86/24,709.95 = 9,947.94/x
3. Step 3: Cross multiply
   17,905.86x = 24,709.95 × 9,947.94
4. Step 4: Simplify right side
   17,905.86x = 245,813,100.00
5. Step 5: Solve for x
   x = 245,813,100.00/17,905.86
6. Step 6: Final answer
   x = 13,728.08