Finding the Fourth Proportional to 82,481.84, 123,612.60 and 42,956.08

Step by Step Solution

1. Step 1: Write the proportion equation
   82,481.84 : 123,612.60 = 42,956.08 : x
2. Step 2: Convert to fraction form
   82,481.84/123,612.60 = 42,956.08/x
3. Step 3: Cross multiply
   82,481.84x = 123,612.60 × 42,956.08
4. Step 4: Simplify right side
   82,481.84x = 5,309,912,734.61
5. Step 5: Solve for x
   x = 5,309,912,734.61/82,481.84
6. Step 6: Final answer
   x = 64,376.75