Finding the Fourth Proportional to 21,191.94, 31,792.02 and 8,053.56

Step by Step Solution

1. Step 1: Write the proportion equation
   21,191.94 : 31,792.02 = 8,053.56 : x
2. Step 2: Convert to fraction form
   21,191.94/31,792.02 = 8,053.56/x
3. Step 3: Cross multiply
   21,191.94x = 31,792.02 × 8,053.56
4. Step 4: Simplify right side
   21,191.94x = 256,038,940.59
5. Step 5: Solve for x
   x = 256,038,940.59/21,191.94
6. Step 6: Final answer
   x = 12,081.90