Finding the Fourth Proportional to 12,250.86, 16,903.23 and 7,773

Step by Step Solution

1. Step 1: Write the proportion equation
   12,250.86 : 16,903.23 = 7,773 : x
2. Step 2: Convert to fraction form
   12,250.86/16,903.23 = 7,773/x
3. Step 3: Cross multiply
   12,250.86x = 16,903.23 × 7,773
4. Step 4: Simplify right side
   12,250.86x = 131,388,806.79
5. Step 5: Solve for x
   x = 131,388,806.79/12,250.86
6. Step 6: Final answer
   x = 10,724.86