Finding the Fourth Proportional to 139,705.32, 209,555.92 and 34,524.29

Step by Step Solution

1. Step 1: Write the proportion equation
   139,705.32 : 209,555.92 = 34,524.29 : x
2. Step 2: Convert to fraction form
   139,705.32/209,555.92 = 34,524.29/x
3. Step 3: Cross multiply
   139,705.32x = 209,555.92 × 34,524.29
4. Step 4: Simplify right side
   139,705.32x = 7,234,769,920.34
5. Step 5: Solve for x
   x = 7,234,769,920.34/139,705.32
6. Step 6: Final answer
   x = 51,785.93