Finding the Fourth Proportional to 82,196.71, 113,431.26 and 46,386.61

Step by Step Solution

1. Step 1: Write the proportion equation
   82,196.71 : 113,431.26 = 46,386.61 : x
2. Step 2: Convert to fraction form
   82,196.71/113,431.26 = 46,386.61/x
3. Step 3: Cross multiply
   82,196.71x = 113,431.26 × 46,386.61
4. Step 4: Simplify right side
   82,196.71x = 5,261,691,619.43
5. Step 5: Solve for x
   x = 5,261,691,619.43/82,196.71
6. Step 6: Final answer
   x = 64,013.41