Finding the Fourth Proportional to 139,466.43, 192,462.53 and 75,804.03

Step by Step Solution

1. Step 1: Write the proportion equation
   139,466.43 : 192,462.53 = 75,804.03 : x
2. Step 2: Convert to fraction form
   139,466.43/192,462.53 = 75,804.03/x
3. Step 3: Cross multiply
   139,466.43x = 192,462.53 × 75,804.03
4. Step 4: Simplify right side
   139,466.43x = 14,589,435,018.98
5. Step 5: Solve for x
   x = 14,589,435,018.98/139,466.43
6. Step 6: Final answer
   x = 104,608.94