Finding the Fourth Proportional to 139,501.82, 192,504.33 and 75,839.06

Step by Step Solution

1. Step 1: Write the proportion equation
   139,501.82 : 192,504.33 = 75,839.06 : x
2. Step 2: Convert to fraction form
   139,501.82/192,504.33 = 75,839.06/x
3. Step 3: Cross multiply
   139,501.82x = 192,504.33 × 75,839.06
4. Step 4: Simplify right side
   139,501.82x = 14,599,347,433.13
5. Step 5: Solve for x
   x = 14,599,347,433.13/139,501.82
6. Step 6: Final answer
   x = 104,653.45