Finding the Fourth Proportional to 21,495.81, 32,261.49 and 10,973.61

Step by Step Solution

1. Step 1: Write the proportion equation
   21,495.81 : 32,261.49 = 10,973.61 : x
2. Step 2: Convert to fraction form
   21,495.81/32,261.49 = 10,973.61/x
3. Step 3: Cross multiply
   21,495.81x = 32,261.49 × 10,973.61
4. Step 4: Simplify right side
   21,495.81x = 354,025,009.28
5. Step 5: Solve for x
   x = 354,025,009.28/21,495.81
6. Step 6: Final answer
   x = 16,469.49