Finding the Fourth Proportional to 139,454.68, 209,207.10 and 50,832.52

Step by Step Solution

1. Step 1: Write the proportion equation
   139,454.68 : 209,207.10 = 50,832.52 : x
2. Step 2: Convert to fraction form
   139,454.68/209,207.10 = 50,832.52/x
3. Step 3: Cross multiply
   139,454.68x = 209,207.10 × 50,832.52
4. Step 4: Simplify right side
   139,454.68x = 10,634,524,094.89
5. Step 5: Solve for x
   x = 10,634,524,094.89/139,454.68
6. Step 6: Final answer
   x = 76,257.92