Finding the Fourth Proportional to 139,104.84, 191,965.23 and 75,443.70

Step by Step Solution

1. Step 1: Write the proportion equation
   139,104.84 : 191,965.23 = 75,443.70 : x
2. Step 2: Convert to fraction form
   139,104.84/191,965.23 = 75,443.70/x
3. Step 3: Cross multiply
   139,104.84x = 191,965.23 × 75,443.70
4. Step 4: Simplify right side
   139,104.84x = 14,482,567,222.55
5. Step 5: Solve for x
   x = 14,482,567,222.55/139,104.84
6. Step 6: Final answer
   x = 104,112.60