Finding the Fourth Proportional to 86,510.18, 129,838.18 and 33,956.56

Step by Step Solution

1. Step 1: Write the proportion equation
   86,510.18 : 129,838.18 = 33,956.56 : x
2. Step 2: Convert to fraction form
   86,510.18/129,838.18 = 33,956.56/x
3. Step 3: Cross multiply
   86,510.18x = 129,838.18 × 33,956.56
4. Step 4: Simplify right side
   86,510.18x = 4,408,857,949.46
5. Step 5: Solve for x
   x = 4,408,857,949.46/86,510.18
6. Step 6: Final answer
   x = 50,963.46