Finding the Fourth Proportional to 12,191.06, 16,823.98 and 7,477.94

Step by Step Solution

1. Step 1: Write the proportion equation
   12,191.06 : 16,823.98 = 7,477.94 : x
2. Step 2: Convert to fraction form
   12,191.06/16,823.98 = 7,477.94/x
3. Step 3: Cross multiply
   12,191.06x = 16,823.98 × 7,477.94
4. Step 4: Simplify right side
   12,191.06x = 125,808,713.00
5. Step 5: Solve for x
   x = 125,808,713.00/12,191.06
6. Step 6: Final answer
   x = 10,319.75