Finding the Fourth Proportional to 34,870.53, 48,106.49 and 20,715.69

Step by Step Solution

1. Step 1: Write the proportion equation
   34,870.53 : 48,106.49 = 20,715.69 : x
2. Step 2: Convert to fraction form
   34,870.53/48,106.49 = 20,715.69/x
3. Step 3: Cross multiply
   34,870.53x = 48,106.49 × 20,715.69
4. Step 4: Simplify right side
   34,870.53x = 996,559,030.25
5. Step 5: Solve for x
   x = 996,559,030.25/34,870.53
6. Step 6: Final answer
   x = 28,578.83