Finding the Fourth Proportional to 139,615.58, 192,667.38 and 75,951.92

Step by Step Solution

1. Step 1: Write the proportion equation
   139,615.58 : 192,667.38 = 75,951.92 : x
2. Step 2: Convert to fraction form
   139,615.58/192,667.38 = 75,951.92/x
3. Step 3: Cross multiply
   139,615.58x = 192,667.38 × 75,951.92
4. Step 4: Simplify right side
   139,615.58x = 14,633,457,432.37
5. Step 5: Solve for x
   x = 14,633,457,432.37/139,615.58
6. Step 6: Final answer
   x = 104,812.50