Finding the Fourth Proportional to 139,570.56, 192,543.84 and 82,949.76

Step by Step Solution

1. Step 1: Write the proportion equation
   139,570.56 : 192,543.84 = 82,949.76 : x
2. Step 2: Convert to fraction form
   139,570.56/192,543.84 = 82,949.76/x
3. Step 3: Cross multiply
   139,570.56x = 192,543.84 × 82,949.76
4. Step 4: Simplify right side
   139,570.56x = 15,971,465,317.48
5. Step 5: Solve for x
   x = 15,971,465,317.48/139,570.56
6. Step 6: Final answer
   x = 114,432.91