Finding the Fourth Proportional to 24,406.72, 36,522.60 and 21,131.12

Step by Step Solution

1. Step 1: Write the proportion equation
   24,406.72 : 36,522.60 = 21,131.12 : x
2. Step 2: Convert to fraction form
   24,406.72/36,522.60 = 21,131.12/x
3. Step 3: Cross multiply
   24,406.72x = 36,522.60 × 21,131.12
4. Step 4: Simplify right side
   24,406.72x = 771,763,443.31
5. Step 5: Solve for x
   x = 771,763,443.31/24,406.72
6. Step 6: Final answer
   x = 31,620.94