Finding the Fourth Proportional to 139,967.35, 209,950.07 and 34,786.15

Step by Step Solution

1. Step 1: Write the proportion equation
   139,967.35 : 209,950.07 = 34,786.15 : x
2. Step 2: Convert to fraction form
   139,967.35/209,950.07 = 34,786.15/x
3. Step 3: Cross multiply
   139,967.35x = 209,950.07 × 34,786.15
4. Step 4: Simplify right side
   139,967.35x = 7,303,354,453.60
5. Step 5: Solve for x
   x = 7,303,354,453.60/139,967.35
6. Step 6: Final answer
   x = 52,178.99