Finding the Fourth Proportional to 82,865.12, 114,354.06 and 45,138.56

Step by Step Solution

1. Step 1: Write the proportion equation
   82,865.12 : 114,354.06 = 45,138.56 : x
2. Step 2: Convert to fraction form
   82,865.12/114,354.06 = 45,138.56/x
3. Step 3: Cross multiply
   82,865.12x = 114,354.06 × 45,138.56
4. Step 4: Simplify right side
   82,865.12x = 5,161,777,598.55
5. Step 5: Solve for x
   x = 5,161,777,598.55/82,865.12
6. Step 6: Final answer
   x = 62,291.32