Finding the Fourth Proportional to 139,379.69, 209,083.32 and 44,586.06

Step by Step Solution

1. Step 1: Write the proportion equation
   139,379.69 : 209,083.32 = 44,586.06 : x
2. Step 2: Convert to fraction form
   139,379.69/209,083.32 = 44,586.06/x
3. Step 3: Cross multiply
   139,379.69x = 209,083.32 × 44,586.06
4. Step 4: Simplify right side
   139,379.69x = 9,322,201,450.52
5. Step 5: Solve for x
   x = 9,322,201,450.52/139,379.69
6. Step 6: Final answer
   x = 66,883.50