Finding the Fourth Proportional to 139,323.46, 192,261.22 and 75,659.89

Step by Step Solution

1. Step 1: Write the proportion equation
   139,323.46 : 192,261.22 = 75,659.89 : x
2. Step 2: Convert to fraction form
   139,323.46/192,261.22 = 75,659.89/x
3. Step 3: Cross multiply
   139,323.46x = 192,261.22 × 75,659.89
4. Step 4: Simplify right side
   139,323.46x = 14,546,462,756.47
5. Step 5: Solve for x
   x = 14,546,462,756.47/139,323.46
6. Step 6: Final answer
   x = 104,407.85