Finding the Fourth Proportional to 139,924.89, 209,885.18 and 34,744.77

Step by Step Solution

1. Step 1: Write the proportion equation
   139,924.89 : 209,885.18 = 34,744.77 : x
2. Step 2: Convert to fraction form
   139,924.89/209,885.18 = 34,744.77/x
3. Step 3: Cross multiply
   139,924.89x = 209,885.18 × 34,744.77
4. Step 4: Simplify right side
   139,924.89x = 7,292,412,131.78
5. Step 5: Solve for x
   x = 7,292,412,131.78/139,924.89
6. Step 6: Final answer
   x = 52,116.62