Finding the Fourth Proportional to 21,641.35, 32,460.40 and 7,601.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,641.35 : 32,460.40 = 7,601.50 : x
2. Step 2: Convert to fraction form
   21,641.35/32,460.40 = 7,601.50/x
3. Step 3: Cross multiply
   21,641.35x = 32,460.40 × 7,601.50
4. Step 4: Simplify right side
   21,641.35x = 246,747,530.29
5. Step 5: Solve for x
   x = 246,747,530.29/21,641.35
6. Step 6: Final answer
   x = 11,401.67