Finding the Fourth Proportional to 42,013.43, 62,985.91 and 19,538.29

Step by Step Solution

1. Step 1: Write the proportion equation
   42,013.43 : 62,985.91 = 19,538.29 : x
2. Step 2: Convert to fraction form
   42,013.43/62,985.91 = 19,538.29/x
3. Step 3: Cross multiply
   42,013.43x = 62,985.91 × 19,538.29
4. Step 4: Simplify right side
   42,013.43x = 1,230,636,562.87
5. Step 5: Solve for x
   x = 1,230,636,562.87/42,013.43
6. Step 6: Final answer
   x = 29,291.50