Finding the Fourth Proportional to 42,002.85, 62,982.40 and 19,810.27

Step by Step Solution

1. Step 1: Write the proportion equation
   42,002.85 : 62,982.40 = 19,810.27 : x
2. Step 2: Convert to fraction form
   42,002.85/62,982.40 = 19,810.27/x
3. Step 3: Cross multiply
   42,002.85x = 62,982.40 × 19,810.27
4. Step 4: Simplify right side
   42,002.85x = 1,247,698,142.27
5. Step 5: Solve for x
   x = 1,247,698,142.27/42,002.85
6. Step 6: Final answer
   x = 29,705.08