Finding the Fourth Proportional to 82,865.49, 114,354.41 and 45,139.74

Step by Step Solution

1. Step 1: Write the proportion equation
   82,865.49 : 114,354.41 = 45,139.74 : x
2. Step 2: Convert to fraction form
   82,865.49/114,354.41 = 45,139.74/x
3. Step 3: Cross multiply
   82,865.49x = 114,354.41 × 45,139.74
4. Step 4: Simplify right side
   82,865.49x = 5,161,928,109.55
5. Step 5: Solve for x
   x = 5,161,928,109.55/82,865.49
6. Step 6: Final answer
   x = 62,292.86