Finding the Fourth Proportional to 71,672.37, 107,525.86 and 21,749.53

Step by Step Solution

1. Step 1: Write the proportion equation
   71,672.37 : 107,525.86 = 21,749.53 : x
2. Step 2: Convert to fraction form
   71,672.37/107,525.86 = 21,749.53/x
3. Step 3: Cross multiply
   71,672.37x = 107,525.86 × 21,749.53
4. Step 4: Simplify right side
   71,672.37x = 2,338,636,917.85
5. Step 5: Solve for x
   x = 2,338,636,917.85/71,672.37
6. Step 6: Final answer
   x = 32,629.55