Finding the Fourth Proportional to 71.00, 106.48 and 19.63

Step by Step Solution

1. Step 1: Write the proportion equation
   71.00 : 106.48 = 19.63 : x
2. Step 2: Convert to fraction form
   71.00/106.48 = 19.63/x
3. Step 3: Cross multiply
   71.00x = 106.48 × 19.63
4. Step 4: Simplify right side
   71.00x = 2,089.89
5. Step 5: Solve for x
   x = 2,089.89/71.00
6. Step 6: Final answer
   x = 29.44