Finding the Fourth Proportional to 34,870.78, 48,106.83 and 20,715.94

Step by Step Solution

1. Step 1: Write the proportion equation
   34,870.78 : 48,106.83 = 20,715.94 : x
2. Step 2: Convert to fraction form
   34,870.78/48,106.83 = 20,715.94/x
3. Step 3: Cross multiply
   34,870.78x = 48,106.83 × 20,715.94
4. Step 4: Simplify right side
   34,870.78x = 996,578,203.87
5. Step 5: Solve for x
   x = 996,578,203.87/34,870.78
6. Step 6: Final answer
   x = 28,579.18