Finding the Fourth Proportional to 82,102.23, 123,190.25 and 42,637.82

Step by Step Solution

1. Step 1: Write the proportion equation
   82,102.23 : 123,190.25 = 42,637.82 : x
2. Step 2: Convert to fraction form
   82,102.23/123,190.25 = 42,637.82/x
3. Step 3: Cross multiply
   82,102.23x = 123,190.25 × 42,637.82
4. Step 4: Simplify right side
   82,102.23x = 5,252,562,876.11
5. Step 5: Solve for x
   x = 5,252,562,876.11/82,102.23
6. Step 6: Final answer
   x = 63,975.89