Finding the Fourth Proportional to 82,121.51, 123,124.93 and 42,062.69

Step by Step Solution

1. Step 1: Write the proportion equation
   82,121.51 : 123,124.93 = 42,062.69 : x
2. Step 2: Convert to fraction form
   82,121.51/123,124.93 = 42,062.69/x
3. Step 3: Cross multiply
   82,121.51x = 123,124.93 × 42,062.69
4. Step 4: Simplify right side
   82,121.51x = 5,178,965,964.52
5. Step 5: Solve for x
   x = 5,178,965,964.52/82,121.51
6. Step 6: Final answer
   x = 63,064.67