Finding the Fourth Proportional to 42,570.86, 63,870.86 and 16,283.12

Step by Step Solution

1. Step 1: Write the proportion equation
   42,570.86 : 63,870.86 = 16,283.12 : x
2. Step 2: Convert to fraction form
   42,570.86/63,870.86 = 16,283.12/x
3. Step 3: Cross multiply
   42,570.86x = 63,870.86 × 16,283.12
4. Step 4: Simplify right side
   42,570.86x = 1,040,016,599.24
5. Step 5: Solve for x
   x = 1,040,016,599.24/42,570.86
6. Step 6: Final answer
   x = 24,430.25