Finding the Fourth Proportional to 139,499.82, 192,501.57 and 75,837.06

Step by Step Solution

1. Step 1: Write the proportion equation
   139,499.82 : 192,501.57 = 75,837.06 : x
2. Step 2: Convert to fraction form
   139,499.82/192,501.57 = 75,837.06/x
3. Step 3: Cross multiply
   139,499.82x = 192,501.57 × 75,837.06
4. Step 4: Simplify right side
   139,499.82x = 14,598,753,114.18
5. Step 5: Solve for x
   x = 14,598,753,114.18/139,499.82
6. Step 6: Final answer
   x = 104,650.69