Finding the Fourth Proportional to 139,092.48, 191,972.16 and 82,535.04

Step by Step Solution

1. Step 1: Write the proportion equation
   139,092.48 : 191,972.16 = 82,535.04 : x
2. Step 2: Convert to fraction form
   139,092.48/191,972.16 = 82,535.04/x
3. Step 3: Cross multiply
   139,092.48x = 191,972.16 × 82,535.04
4. Step 4: Simplify right side
   139,092.48x = 15,844,429,904.49
5. Step 5: Solve for x
   x = 15,844,429,904.49/139,092.48
6. Step 6: Final answer
   x = 113,912.92