Finding the Fourth Proportional to 12,803.82, 19,217.72 and 7,883.07

Step by Step Solution

1. Step 1: Write the proportion equation
   12,803.82 : 19,217.72 = 7,883.07 : x
2. Step 2: Convert to fraction form
   12,803.82/19,217.72 = 7,883.07/x
3. Step 3: Cross multiply
   12,803.82x = 19,217.72 × 7,883.07
4. Step 4: Simplify right side
   12,803.82x = 151,494,632.00
5. Step 5: Solve for x
   x = 151,494,632.00/12,803.82
6. Step 6: Final answer
   x = 11,831.99