Finding the Fourth Proportional to 82,139.72, 113,356.77 and 46,328.91

Step by Step Solution

1. Step 1: Write the proportion equation
   82,139.72 : 113,356.77 = 46,328.91 : x
2. Step 2: Convert to fraction form
   82,139.72/113,356.77 = 46,328.91/x
3. Step 3: Cross multiply
   82,139.72x = 113,356.77 × 46,328.91
4. Step 4: Simplify right side
   82,139.72x = 5,251,695,421.49
5. Step 5: Solve for x
   x = 5,251,695,421.49/82,139.72
6. Step 6: Final answer
   x = 63,936.13