Finding the Fourth Proportional to 82,139.16, 113,352.68 and 45,346.52

Step by Step Solution

1. Step 1: Write the proportion equation
   82,139.16 : 113,352.68 = 45,346.52 : x
2. Step 2: Convert to fraction form
   82,139.16/113,352.68 = 45,346.52/x
3. Step 3: Cross multiply
   82,139.16x = 113,352.68 × 45,346.52
4. Step 4: Simplify right side
   82,139.16x = 5,140,149,570.67
5. Step 5: Solve for x
   x = 5,140,149,570.67/82,139.16
6. Step 6: Final answer
   x = 62,578.55