Finding the Fourth Proportional to 82,428.93, 123,553.20 and 42,450.34

Step by Step Solution

1. Step 1: Write the proportion equation
   82,428.93 : 123,553.20 = 42,450.34 : x
2. Step 2: Convert to fraction form
   82,428.93/123,553.20 = 42,450.34/x
3. Step 3: Cross multiply
   82,428.93x = 123,553.20 × 42,450.34
4. Step 4: Simplify right side
   82,428.93x = 5,244,874,518.07
5. Step 5: Solve for x
   x = 5,244,874,518.07/82,428.93
6. Step 6: Final answer
   x = 63,629.05