Finding the Fourth Proportional to 21,401.79, 32,100.89 and 7,361.07

Step by Step Solution

1. Step 1: Write the proportion equation
   21,401.79 : 32,100.89 = 7,361.07 : x
2. Step 2: Convert to fraction form
   21,401.79/32,100.89 = 7,361.07/x
3. Step 3: Cross multiply
   21,401.79x = 32,100.89 × 7,361.07
4. Step 4: Simplify right side
   21,401.79x = 236,296,861.55
5. Step 5: Solve for x
   x = 236,296,861.55/21,401.79
6. Step 6: Final answer
   x = 11,040.99