Finding the Fourth Proportional to 139,063.46, 191,908.84 and 75,401.42

Step by Step Solution

1. Step 1: Write the proportion equation
   139,063.46 : 191,908.84 = 75,401.42 : x
2. Step 2: Convert to fraction form
   139,063.46/191,908.84 = 75,401.42/x
3. Step 3: Cross multiply
   139,063.46x = 191,908.84 × 75,401.42
4. Step 4: Simplify right side
   139,063.46x = 14,470,199,046.55
5. Step 5: Solve for x
   x = 14,470,199,046.55/139,063.46
6. Step 6: Final answer
   x = 104,054.65