Finding the Fourth Proportional to 139,063.75, 191,907.98 and 75,401.53

Step by Step Solution

1. Step 1: Write the proportion equation
   139,063.75 : 191,907.98 = 75,401.53 : x
2. Step 2: Convert to fraction form
   139,063.75/191,907.98 = 75,401.53/x
3. Step 3: Cross multiply
   139,063.75x = 191,907.98 × 75,401.53
4. Step 4: Simplify right side
   139,063.75x = 14,470,155,311.21
5. Step 5: Solve for x
   x = 14,470,155,311.21/139,063.75
6. Step 6: Final answer
   x = 104,054.11