Finding the Fourth Proportional to 21,373.50, 32,065.20 and 7,522.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,373.50 : 32,065.20 = 7,522.50 : x
2. Step 2: Convert to fraction form
   21,373.50/32,065.20 = 7,522.50/x
3. Step 3: Cross multiply
   21,373.50x = 32,065.20 × 7,522.50
4. Step 4: Simplify right side
   21,373.50x = 241,210,467
5. Step 5: Solve for x
   x = 241,210,467/21,373.50
6. Step 6: Final answer
   x = 11,285.49