Finding the Fourth Proportional to 82,298.70, 123,512.58 and 42,315.84

Step by Step Solution

1. Step 1: Write the proportion equation
   82,298.70 : 123,512.58 = 42,315.84 : x
2. Step 2: Convert to fraction form
   82,298.70/123,512.58 = 42,315.84/x
3. Step 3: Cross multiply
   82,298.70x = 123,512.58 × 42,315.84
4. Step 4: Simplify right side
   82,298.70x = 5,226,538,573.27
5. Step 5: Solve for x
   x = 5,226,538,573.27/82,298.70
6. Step 6: Final answer
   x = 63,506.94