Finding the Fourth Proportional to 139,870.32, 192,868.29 and 94,469.49

Step by Step Solution

1. Step 1: Write the proportion equation
   139,870.32 : 192,868.29 = 94,469.49 : x
2. Step 2: Convert to fraction form
   139,870.32/192,868.29 = 94,469.49/x
3. Step 3: Cross multiply
   139,870.32x = 192,868.29 × 94,469.49
4. Step 4: Simplify right side
   139,870.32x = 18,220,168,993.47
5. Step 5: Solve for x
   x = 18,220,168,993.47/139,870.32
6. Step 6: Final answer
   x = 130,264.73