Finding the Fourth Proportional to 82,456.84, 123,492.72 and 60,215.04

Step by Step Solution

1. Step 1: Write the proportion equation
   82,456.84 : 123,492.72 = 60,215.04 : x
2. Step 2: Convert to fraction form
   82,456.84/123,492.72 = 60,215.04/x
3. Step 3: Cross multiply
   82,456.84x = 123,492.72 × 60,215.04
4. Step 4: Simplify right side
   82,456.84x = 7,436,119,074.51
5. Step 5: Solve for x
   x = 7,436,119,074.51/82,456.84
6. Step 6: Final answer
   x = 90,181.96