Finding the Fourth Proportional to 42,560.42, 63,839.91 and 10,970.42

Step by Step Solution

1. Step 1: Write the proportion equation
   42,560.42 : 63,839.91 = 10,970.42 : x
2. Step 2: Convert to fraction form
   42,560.42/63,839.91 = 10,970.42/x
3. Step 3: Cross multiply
   42,560.42x = 63,839.91 × 10,970.42
4. Step 4: Simplify right side
   42,560.42x = 700,350,625.46
5. Step 5: Solve for x
   x = 700,350,625.46/42,560.42
6. Step 6: Final answer
   x = 16,455.44