Finding the Fourth Proportional to 139,231.68, 208,846.32 and 34,049.76

Step by Step Solution

1. Step 1: Write the proportion equation
   139,231.68 : 208,846.32 = 34,049.76 : x
2. Step 2: Convert to fraction form
   139,231.68/208,846.32 = 34,049.76/x
3. Step 3: Cross multiply
   139,231.68x = 208,846.32 × 34,049.76
4. Step 4: Simplify right side
   139,231.68x = 7,111,167,072.88
5. Step 5: Solve for x
   x = 7,111,167,072.88/139,231.68
6. Step 6: Final answer
   x = 51,074.35