Finding the Fourth Proportional to 82,289.30, 123,506.86 and 42,336.48

Step by Step Solution

1. Step 1: Write the proportion equation
   82,289.30 : 123,506.86 = 42,336.48 : x
2. Step 2: Convert to fraction form
   82,289.30/123,506.86 = 42,336.48/x
3. Step 3: Cross multiply
   82,289.30x = 123,506.86 × 42,336.48
4. Step 4: Simplify right side
   82,289.30x = 5,228,845,708.25
5. Step 5: Solve for x
   x = 5,228,845,708.25/82,289.30
6. Step 6: Final answer
   x = 63,542.23