Finding the Fourth Proportional to 82,108.42, 123,210.47 and 34,720.69

Step by Step Solution

1. Step 1: Write the proportion equation
   82,108.42 : 123,210.47 = 34,720.69 : x
2. Step 2: Convert to fraction form
   82,108.42/123,210.47 = 34,720.69/x
3. Step 3: Cross multiply
   82,108.42x = 123,210.47 × 34,720.69
4. Step 4: Simplify right side
   82,108.42x = 4,277,952,533.62
5. Step 5: Solve for x
   x = 4,277,952,533.62/82,108.42
6. Step 6: Final answer
   x = 52,101.26