Finding the Fourth Proportional to 139,994.46, 193,188.15 and 76,333.50

Step by Step Solution

1. Step 1: Write the proportion equation
   139,994.46 : 193,188.15 = 76,333.50 : x
2. Step 2: Convert to fraction form
   139,994.46/193,188.15 = 76,333.50/x
3. Step 3: Cross multiply
   139,994.46x = 193,188.15 × 76,333.50
4. Step 4: Simplify right side
   139,994.46x = 14,746,727,648.03
5. Step 5: Solve for x
   x = 14,746,727,648.03/139,994.46
6. Step 6: Final answer
   x = 105,337.94