Finding the Fourth Proportional to 10,783.50, 14,872.92 and 9,454.98

Step by Step Solution

1. Step 1: Write the proportion equation
   10,783.50 : 14,872.92 = 9,454.98 : x
2. Step 2: Convert to fraction form
   10,783.50/14,872.92 = 9,454.98/x
3. Step 3: Cross multiply
   10,783.50x = 14,872.92 × 9,454.98
4. Step 4: Simplify right side
   10,783.50x = 140,623,161.14
5. Step 5: Solve for x
   x = 140,623,161.14/10,783.50
6. Step 6: Final answer
   x = 13,040.59