Finding the Fourth Proportional to 82,429.94, 123,554.70 and 42,451.34

Step by Step Solution

1. Step 1: Write the proportion equation
   82,429.94 : 123,554.70 = 42,451.34 : x
2. Step 2: Convert to fraction form
   82,429.94/123,554.70 = 42,451.34/x
3. Step 3: Cross multiply
   82,429.94x = 123,554.70 × 42,451.34
4. Step 4: Simplify right side
   82,429.94x = 5,245,061,960.52
5. Step 5: Solve for x
   x = 5,245,061,960.52/82,429.94
6. Step 6: Final answer
   x = 63,630.55