Finding the Fourth Proportional to 139,500.06, 192,501.92 and 75,837.30

Step by Step Solution

1. Step 1: Write the proportion equation
   139,500.06 : 192,501.92 = 75,837.30 : x
2. Step 2: Convert to fraction form
   139,500.06/192,501.92 = 75,837.30/x
3. Step 3: Cross multiply
   139,500.06x = 192,501.92 × 75,837.30
4. Step 4: Simplify right side
   139,500.06x = 14,598,825,857.62
5. Step 5: Solve for x
   x = 14,598,825,857.62/139,500.06
6. Step 6: Final answer
   x = 104,651.04