Finding the Fourth Proportional to 19,764.50, 29,644.55 and 4,973.42

Step by Step Solution

1. Step 1: Write the proportion equation
   19,764.50 : 29,644.55 = 4,973.42 : x
2. Step 2: Convert to fraction form
   19,764.50/29,644.55 = 4,973.42/x
3. Step 3: Cross multiply
   19,764.50x = 29,644.55 × 4,973.42
4. Step 4: Simplify right side
   19,764.50x = 147,434,797.86
5. Step 5: Solve for x
   x = 147,434,797.86/19,764.50
6. Step 6: Final answer
   x = 7,459.58