Finding the Fourth Proportional to 139,641.94, 209,463.32 and 38,441.32

Step by Step Solution

1. Step 1: Write the proportion equation
   139,641.94 : 209,463.32 = 38,441.32 : x
2. Step 2: Convert to fraction form
   139,641.94/209,463.32 = 38,441.32/x
3. Step 3: Cross multiply
   139,641.94x = 209,463.32 × 38,441.32
4. Step 4: Simplify right side
   139,641.94x = 8,052,046,084.83
5. Step 5: Solve for x
   x = 8,052,046,084.83/139,641.94
6. Step 6: Final answer
   x = 57,662.09