Finding the Fourth Proportional to 82,920.72, 114,426.36 and 45,194.64

Step by Step Solution

1. Step 1: Write the proportion equation
   82,920.72 : 114,426.36 = 45,194.64 : x
2. Step 2: Convert to fraction form
   82,920.72/114,426.36 = 45,194.64/x
3. Step 3: Cross multiply
   82,920.72x = 114,426.36 × 45,194.64
4. Step 4: Simplify right side
   82,920.72x = 5,171,458,146.71
5. Step 5: Solve for x
   x = 5,171,458,146.71/82,920.72
6. Step 6: Final answer
   x = 62,366.30