Finding the Fourth Proportional to 139,022.55, 191,803.01 and 82,452.15

Step by Step Solution

1. Step 1: Write the proportion equation
   139,022.55 : 191,803.01 = 82,452.15 : x
2. Step 2: Convert to fraction form
   139,022.55/191,803.01 = 82,452.15/x
3. Step 3: Cross multiply
   139,022.55x = 191,803.01 × 82,452.15
4. Step 4: Simplify right side
   139,022.55x = 15,814,570,138.71
5. Step 5: Solve for x
   x = 15,814,570,138.71/139,022.55
6. Step 6: Final answer
   x = 113,755.43