Finding the Fourth Proportional to 42,627.48, 63,950.59 and 13,047.60

Step by Step Solution

1. Step 1: Write the proportion equation
   42,627.48 : 63,950.59 = 13,047.60 : x
2. Step 2: Convert to fraction form
   42,627.48/63,950.59 = 13,047.60/x
3. Step 3: Cross multiply
   42,627.48x = 63,950.59 × 13,047.60
4. Step 4: Simplify right side
   42,627.48x = 834,401,750.70
5. Step 5: Solve for x
   x = 834,401,750.70/42,627.48
6. Step 6: Final answer
   x = 19,574.27