Finding the Fourth Proportional to 42,224.21, 63,345.34 and 15,570.27

Step by Step Solution

1. Step 1: Write the proportion equation
   42,224.21 : 63,345.34 = 15,570.27 : x
2. Step 2: Convert to fraction form
   42,224.21/63,345.34 = 15,570.27/x
3. Step 3: Cross multiply
   42,224.21x = 63,345.34 × 15,570.27
4. Step 4: Simplify right side
   42,224.21x = 986,304,066.50
5. Step 5: Solve for x
   x = 986,304,066.50/42,224.21
6. Step 6: Final answer
   x = 23,358.73