Finding the Fourth Proportional to 139,624.34, 209,438.82 and 67,535.36

Step by Step Solution

1. Step 1: Write the proportion equation
   139,624.34 : 209,438.82 = 67,535.36 : x
2. Step 2: Convert to fraction form
   139,624.34/209,438.82 = 67,535.36/x
3. Step 3: Cross multiply
   139,624.34x = 209,438.82 × 67,535.36
4. Step 4: Simplify right side
   139,624.34x = 14,144,525,811.53
5. Step 5: Solve for x
   x = 14,144,525,811.53/139,624.34
6. Step 6: Final answer
   x = 101,304.15