Finding the Fourth Proportional to 82,386.74, 113,689.28 and 46,574.61

Step by Step Solution

1. Step 1: Write the proportion equation
   82,386.74 : 113,689.28 = 46,574.61 : x
2. Step 2: Convert to fraction form
   82,386.74/113,689.28 = 46,574.61/x
3. Step 3: Cross multiply
   82,386.74x = 113,689.28 × 46,574.61
4. Step 4: Simplify right side
   82,386.74x = 5,295,033,644.31
5. Step 5: Solve for x
   x = 5,295,033,644.31/82,386.74
6. Step 6: Final answer
   x = 64,270.46