Finding the Fourth Proportional to 21,445.25, 32,159.97 and 7,401.69

Step by Step Solution

1. Step 1: Write the proportion equation
   21,445.25 : 32,159.97 = 7,401.69 : x
2. Step 2: Convert to fraction form
   21,445.25/32,159.97 = 7,401.69/x
3. Step 3: Cross multiply
   21,445.25x = 32,159.97 × 7,401.69
4. Step 4: Simplify right side
   21,445.25x = 238,038,128.35
5. Step 5: Solve for x
   x = 238,038,128.35/21,445.25
6. Step 6: Final answer
   x = 11,099.81