Finding the Fourth Proportional to 82,399.72, 123,491.38 and 46,877.32

Step by Step Solution

1. Step 1: Write the proportion equation
   82,399.72 : 123,491.38 = 46,877.32 : x
2. Step 2: Convert to fraction form
   82,399.72/123,491.38 = 46,877.32/x
3. Step 3: Cross multiply
   82,399.72x = 123,491.38 × 46,877.32
4. Step 4: Simplify right side
   82,399.72x = 5,788,944,937.50
5. Step 5: Solve for x
   x = 5,788,944,937.50/82,399.72
6. Step 6: Final answer
   x = 70,254.42