Finding the Fourth Proportional to 139,572.39, 192,604.37 and 75,910.17

Step by Step Solution

1. Step 1: Write the proportion equation
   139,572.39 : 192,604.37 = 75,910.17 : x
2. Step 2: Convert to fraction form
   139,572.39/192,604.37 = 75,910.17/x
3. Step 3: Cross multiply
   139,572.39x = 192,604.37 × 75,910.17
4. Step 4: Simplify right side
   139,572.39x = 14,620,630,089.89
5. Step 5: Solve for x
   x = 14,620,630,089.89/139,572.39
6. Step 6: Final answer
   x = 104,753.03