Finding the Fourth Proportional to 9,213.82, 13,821.56 and 2,973.98

Step by Step Solution

1. Step 1: Write the proportion equation
   9,213.82 : 13,821.56 = 2,973.98 : x
2. Step 2: Convert to fraction form
   9,213.82/13,821.56 = 2,973.98/x
3. Step 3: Cross multiply
   9,213.82x = 13,821.56 × 2,973.98
4. Step 4: Simplify right side
   9,213.82x = 41,105,043.01
5. Step 5: Solve for x
   x = 41,105,043.01/9,213.82
6. Step 6: Final answer
   x = 4,461.24