Finding the Fourth Proportional to 42,074.57, 63,111.34 and 12,089.54

Step by Step Solution

1. Step 1: Write the proportion equation
   42,074.57 : 63,111.34 = 12,089.54 : x
2. Step 2: Convert to fraction form
   42,074.57/63,111.34 = 12,089.54/x
3. Step 3: Cross multiply
   42,074.57x = 63,111.34 × 12,089.54
4. Step 4: Simplify right side
   42,074.57x = 762,987,242.27
5. Step 5: Solve for x
   x = 762,987,242.27/42,074.57
6. Step 6: Final answer
   x = 18,134.17