Finding the Fourth Proportional to 42,004.18, 62,984.38 and 19,811.58

Step by Step Solution

1. Step 1: Write the proportion equation
   42,004.18 : 62,984.38 = 19,811.58 : x
2. Step 2: Convert to fraction form
   42,004.18/62,984.38 = 19,811.58/x
3. Step 3: Cross multiply
   42,004.18x = 62,984.38 × 19,811.58
4. Step 4: Simplify right side
   42,004.18x = 1,247,820,083.12
5. Step 5: Solve for x
   x = 1,247,820,083.12/42,004.18
6. Step 6: Final answer
   x = 29,707.05