Finding the Fourth Proportional to 42,294.99, 63,435.60 and 15,993.48

Step by Step Solution

1. Step 1: Write the proportion equation
   42,294.99 : 63,435.60 = 15,993.48 : x
2. Step 2: Convert to fraction form
   42,294.99/63,435.60 = 15,993.48/x
3. Step 3: Cross multiply
   42,294.99x = 63,435.60 × 15,993.48
4. Step 4: Simplify right side
   42,294.99x = 1,014,555,999.89
5. Step 5: Solve for x
   x = 1,014,555,999.89/42,294.99
6. Step 6: Final answer
   x = 23,987.62