Finding the Fourth Proportional to 35,293.89, 52,936.76 and 13,107.72

Step by Step Solution

1. Step 1: Write the proportion equation
   35,293.89 : 52,936.76 = 13,107.72 : x
2. Step 2: Convert to fraction form
   35,293.89/52,936.76 = 13,107.72/x
3. Step 3: Cross multiply
   35,293.89x = 52,936.76 × 13,107.72
4. Step 4: Simplify right side
   35,293.89x = 693,880,260.56
5. Step 5: Solve for x
   x = 693,880,260.56/35,293.89
6. Step 6: Final answer
   x = 19,660.07