Finding the Fourth Proportional to 82,396.72, 123,486.88 and 46,874.32

Step by Step Solution

1. Step 1: Write the proportion equation
   82,396.72 : 123,486.88 = 46,874.32 : x
2. Step 2: Convert to fraction form
   82,396.72/123,486.88 = 46,874.32/x
3. Step 3: Cross multiply
   82,396.72x = 123,486.88 × 46,874.32
4. Step 4: Simplify right side
   82,396.72x = 5,788,363,528.92
5. Step 5: Solve for x
   x = 5,788,363,528.92/82,396.72
6. Step 6: Final answer
   x = 70,249.93