Finding the Fourth Proportional to 42,632.28, 63,947.34 and 13,048.92

Step by Step Solution

1. Step 1: Write the proportion equation
   42,632.28 : 63,947.34 = 13,048.92 : x
2. Step 2: Convert to fraction form
   42,632.28/63,947.34 = 13,048.92/x
3. Step 3: Cross multiply
   42,632.28x = 63,947.34 × 13,048.92
4. Step 4: Simplify right side
   42,632.28x = 834,443,723.87
5. Step 5: Solve for x
   x = 834,443,723.87/42,632.28
6. Step 6: Final answer
   x = 19,573.05