Finding the Fourth Proportional to 42,627.70, 63,950.92 and 13,047.82

Step by Step Solution

1. Step 1: Write the proportion equation
   42,627.70 : 63,950.92 = 13,047.82 : x
2. Step 2: Convert to fraction form
   42,627.70/63,950.92 = 13,047.82/x
3. Step 3: Cross multiply
   42,627.70x = 63,950.92 × 13,047.82
4. Step 4: Simplify right side
   42,627.70x = 834,419,900.50
5. Step 5: Solve for x
   x = 834,419,900.50/42,627.70
6. Step 6: Final answer
   x = 19,574.59