Finding the Fourth Proportional to 139,227.56, 208,841.34 and 34,045.28

Step by Step Solution

1. Step 1: Write the proportion equation
   139,227.56 : 208,841.34 = 34,045.28 : x
2. Step 2: Convert to fraction form
   139,227.56/208,841.34 = 34,045.28/x
3. Step 3: Cross multiply
   139,227.56x = 208,841.34 × 34,045.28
4. Step 4: Simplify right side
   139,227.56x = 7,110,061,895.88
5. Step 5: Solve for x
   x = 7,110,061,895.88/139,227.56
6. Step 6: Final answer
   x = 51,067.92